ホームページ >運用・保守 >Linuxの運用と保守 >運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！

運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！

Linux中文社区転載: 2023-08-02 17:45:231605ブラウズ

^[0-9]*$n位的数字：^\d{n}$至少n位的数字：^\d{n,}$m-n位的数字：^\d{m,n}$零和非零开头的数字：^(0|[1-9][0-9]*)$非零开头的最多带两位小数的数字：^([1-9][0-9]*)+(.[0-9]{1,2})?$带1-2位小数的正数或负数：^(\-)?\d+(\.\d{1,2})?$正数、负数、和小数：^(\-|\+)?\d+(\.\d+)?$有两位小数的正实数：^[0-9]+(.[0-9]{2})?$有1~3位小数的正实数：^[0-9]+(.[0-9]{1,3})?$非零的正整数：^[1-9]\d*$ 或 ^([1-9][0-9]*){1,3}$ 或 ^\+?[1-9][0-9]*$非零的负整数：^\-[1-9][]0-9"*$ 或 ^-[1-9]\d*$

負ではない整数：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^\d $ または <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[1-9]\d*|0$

非正の整数：##^-[1-9]\d*|0$ <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"> または ^((-\d )|(0 ))$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">

負でない浮動小数点数：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^\d (\.\d )? $## または ^[1-9]\d*\.\d*|0\.\d*[1-9]\d*| 0? \.0 |0$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">

非正の浮動小数点数：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^((-\d (\.\ d ) ?)|(0 (\.0 )?))$ または <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^(-([1-9]\d*\.\ d* |0\.\d*[1-9]\d*))|0?\.0 |0$

正の浮動小数点数：##^[1-9]\d*\.\d *|0\.\d*[1-9]\d*$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"> または ^(([0-9] \.[0-9 ]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9] )|([0-9]*[ 1-9][0-9]*))$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">

負の浮動小数点数：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^-([1-9]\d*\ . \d*|0\.\d*[1-9]\d*)$ または <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^(-(([0-9] \ .[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9] )|([ 0 -9]*[1-9][0-9]*)))$

浮動小数点数：##^(-?\d )(\.\d )? $<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"> または ^-?([1-9]\d*\.\d*|0\.\d*[1-9]\ d*|0?\.0 |0)$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">

#2. チェック文字の表現

漢字：#^[\u4e00-\u9fa5]{0,}$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"><p mp-original-font-size="17" mp-original-line-height="27" style='margin: 0px 0px 1.2em !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);text-align: left;overflow-wrap: break-word !important;line-height: 27px;'><span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;line-height: 25px;"><strong mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;">#英語と数字<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;">：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;">##^[A-Za-z0-9] $<code mp-original-font-size="14.449999809265137" mp-original-line-height="23" style="margin: 0px 0.15em;padding: 0px 0.3em;outline: 0px;max-width: 100%;font-size: 14.45px;font-family: Consolas, Inconsolata, Courier, monospace;white-space: pre-wrap;border-width: 1px;border-style: solid;border-color: rgb(234, 234, 234);background-color: rgb(248, 248, 248);border-radius: 3px;display: inline;line-height: 23px;box-sizing: border-box !important;overflow-wrap: break-word !important;"> <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"> または ^[A-Za-z0-9]{4,40}$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"><p mp-original-font-size="17" mp-original-line-height="27" style='margin: 0px 0px 1.2em !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;line-height: 25px;"><strong mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;">#長さ 3 ～ 20 のすべての文字<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;">:<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;"><code mp-original-font-size="14.449999809265137" mp-original-line-height="23" style="margin: 0px 0.15em;padding: 0px 0.3em;outline: 0px;max-width: 100%;font-size: 14.45px;font-family: Consolas, Inconsolata, Courier, monospace;white-space: pre-wrap;border-width: 1px;border-style: solid;border-color: rgb(234, 234, 234);background-color: rgb(248, 248, 248);border-radius: 3px;display: inline;line-height: 23px;box-sizing: border-box !important;overflow-wrap: break-word !important;">^.{3,20}$ <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">#<p mp-original-font-size="17" mp-original-line-height="27" style='margin: 0px 0px 1.2em !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;line-height: 25px;"><strong mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;"><span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;">26 個の英字で構成される文字列<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 16px;line-height: 25px;">：<code mp-original-font-size="14.449999809265137" mp-original-line-height="23" style="margin: 0px 0.15em;padding: 0px 0.3em;outline: 0px;max-width: 100%;font-size: 14.45px;font-family: Consolas, Inconsolata, Courier, monospace;white-space: pre-wrap;border-width: 1px;border-style: solid;border-color: rgb(234, 234, 234);background-color: rgb(248, 248, 248);border-radius: 3px;display: inline;line-height: 23px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[A-Za-z ] $

26 個の大文字の英字で構成される文字列：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[A-Z] $

さらに、公式アカウント Java バックエンドスタック背景を検索し、「プライベートワーク」と返信すると、サプライズギフトパッケージがプレゼントされます。

26 個の小文字の英字で構成される文字列：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[a-z] $

数字と 26 個の英字で構成される文字列：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[A-Za -z0 -9] $

数字、26 個の英字、またはアンダースコアで構成される文字列：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^\w $ または^\w{3,20}

中国語、英語、アンダースコアを含む数字：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[\u4E00-\u9FA5A-Za -z0-9_] $

中国語、英語、数字、ただしアンダースコアやその他の記号は含まれません：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[\u4E00 - \u9FA5A-Za-z0-9] $ または <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[\u4E00-\u9FA5A-Za-z0-9]{2,20}$ 

# には ##^%&',;=?$\"<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"> を含めて入力できますその他の文字: [^%&',;=?$\x22] <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">

~ を含む文字の入力は禁止されています <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">[^~\x22] 

其它

.*匹配除 \n 以外的任何字符。/[\u4E00-\u9FA5]/ 汉字/[\uFF00-\uFFFF]/ 全角符号/[\u0000-\u00FF]/ 半角符号

三、特殊需求表达式

Email 地址：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$

[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(/.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+/.?

[a-zA-z]+://[^\s]* 或 ^http://([\w-]+\.)+[\w-]+(/[\w-./?%&=]*)?$

^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$

电话号码(“XXX-XXXXXXX”、”XXXX-XXXXXXXX”、”XXX-XXXXXXX”、”XXX-XXXXXXXX”、”XXXXXXX”和”XXXXXXXX)：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^(\(\d{3,4}-)|\d{3.4}-)?\d{7,8}$

国内电话号码(0511-4405222、021-87888822)：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">\d{3}-\d{8}|\d{4}-\d{7}

ID カード番号 (15 桁、18 桁): <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^\d{15}|\d{18}$

短い ID 番号 (数字、x で終わる文字): <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^([0-9]){7,18}(x|X)?$ または #^\d{8,18}|[0-9x]{8,18}|[0-9X]{8,18}?$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">

アカウントは合法ですか (文字で始まり、5 ～ 16 バイトが使用可能、英数字のアンダースコアが使用可能): <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[a-zA-Z][a-zA-Z0] - 9_]{4,15}$

パスワード (文字で始まり、長さは 6 ～ 18 で、文字、数字、アンダースコアのみを使用できます): <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[a-zA-Z]\w{5,17}$

強力なパスワード (大文字、小文字、数字の組み合わせが必要です。特殊文字は使用できません。長さは 8 ～ 10 です): <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^(?=.* \d )(?=.*[a-z])(?=.*[A-Z]).{8,10}$

日付形式: <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^\d{4}-\d{1,2}-\d{1,2}

1 年の 12 か月 (01 ～ 09 および 1 ～ 12): <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^(0?[1-9]|1[0-2])$

月の 31 日 (01 ～ 09 および 1 ～ 31): <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^((0?[1-9])| ((1|2)[0-9])|30|31)$

お金の入力形式

受け入れられるお金の表現形式は 4 つあります:「10000.00」と「10,000.00」、および「セント」なしの「10000」と「10,000」:#^[1-9][0-9]*$<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">

これは、0 で始まらない任意の数値を意味します。ただし、文字「0」は渡されないことも意味するため、次の形式を使用します。 <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^( 0 |[1-9][0-9]*)$

0 または 0 で始まらない数値。負符号を使用することもできます。先頭: <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^(0|-?[1-9][0-9]*)$

4. これは、0 または負の可能性があり、0 で始まらない数値を意味します。ユーザーには 0 から始めてもらいます。お金が負になることはないので、負の符号も削除してください。追加するのは、使用可能な小数部分を示すことです: <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[0-9] (.[0-9] )?$

小数点の後に少なくとも 1 桁が必要であることに注意してください。そのため、「10.」は渡されませんが、「10」と「10.2」は渡されます。 <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[0- 9] (.[0-9]{2})?$

このように、小数点以下 2 桁でなければならないと規定しています。厳しすぎると思われる場合は、次のようにすることもできます: <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[0-9 ] (.[0-9]{1 ,2})?$

これにより、ユーザーは小数点以下 1 桁だけを書くことができます。次に、数値内の <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">comma を考慮する必要があります。これを行うことができます。 <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^[0-9]{1,3}(,[0-9]{3})*(.[0-9]{1,2})?$

1到3个数字,后面跟着任意个逗号+3个数字，逗号成为可选，而不是必须：<span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;">^([0-9]+|[0-9]{1,3}(,[0-9]{3})*)(.[0-9]{1,2})?$

备注：这就是最终结果了,别忘了+可以用*替代如果你觉得空字符串也可以接受的话(奇怪,为什么?)最后,别忘了在用函数时去掉去掉那个反

xml文件：^([a-zA-Z]+-?)+[a-zA-Z0-9]+\.[x|X][m|M][l|L]$

中文字符的正则表达式：[\u4e00-\u9fa5]

全角文字: ^\x00-\xff)

空白行の正規表現:\n\s*\r (空白の削除に使用できます)行)

HTML タグの正規表現: f60ff81cb9acf3971c0e6897564cce62]>.?ebd1057d1ba201a9b3ef62b0553196b3 (インターネット上で流通しているバージョンはあまりにもひどいもので、上記のバージョンは部分的にしか機能せず、複雑なネストされたタグには依然として無力です)

先頭および末尾の空白文字の正規表現: ^\s|\s

) (先頭および末尾の空白文字を削除するために使用できます)行の先頭と末尾) 文字 (スペース、タブ、フォームフィードなどを含む)、非常に便利な式)

Tencent QQ 番号: [1-9][0-9]{4,}(Tencent QQ 番号は 10000 から始まります)

中国郵便番号: [1 - 9]\d{5}(?!\d)(中国の郵便番号は 6 桁)

IP アドレス:\d .\d .\d .\d ( IP アドレスを抽出します)

IP地址：((?:(?:25[0-5]|2[0-4]\d|[01]?\d?\d)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d?\d))

牛逼啊！接私活必备的 N 个开源项目！赶快收藏吧

IP-v4地址：\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b (提取IP地址时有用)

校验IP-v6地址:

(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))

子网掩码：

((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))

校验日期:

^(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)|(?:[0-9]{2}(?:0[48]|[2468][048]|[13579][26])|(?:0[48]|[2468][048]|[13579][26])00)-02-29)$(“yyyy-mm-dd“ 格式的日期校验，已考虑平闰年。)

抽取注释：<span mp-original-font-size="16" mp-original-line-height="28" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 28px;">323fb0f7fe6aafe3a77b6c8f8c2d39b1

查找CSS属性:<span mp-original-font-size="16" mp-original-line-height="28" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 28px;">^\\s*[a-zA-Z\\-]+\\s*[:]{1}\\s[a-zA-Z0-9\\s.#]+[;]{1}

ページのハイパーリンクを抽出:<span mp-original-font-size="16" mp-original-line-height="28" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 28px;">(44cb7eee8ad793104320132595b1669f]*)(href="https ? :\\/\\/)((?!(?:(?:www\\.)?'.implode('|(?:www\\.)?', $follow_list).'))[ ^ " rel="external nofollow" ] )"((?!.*\\brel=)[^>]*)(?:[^>]*)>

Web 画像の抽出:<span mp-original-font-size="16" mp-original-line-height="28" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 28px;">\\6cdcdf85e68b647eba1df69867f110b3]*[src] *= *[\\"\\' ] {0,1}([^\\"\\'\\ >]*)

さらに、公式アカウント GitHub Ape Backstage を検索し、「お金を稼ぐ」と返信すると、サプライズのギフトパッケージがプレゼントされます。

Web ページのカラーコードを抽出:<span mp-original-font-size="16" mp-original-line-height="28" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 28px;">^#([A-Fa-f0-9]{6}|[A-Fa-f0- 9 ]{3})$

ファイル拡張子の検証:<span mp-original-font-size="16" mp-original-line-height="28" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 28px;">^([a-zA-Z]\\:|\\\\)\\\$[^\\\\] \ \\$*[^\\/:*?"a8093152e673feb7aba1828c43532094|] \\.txt(l)?$

#IE のバージョンを確認します: #^.*MSIE [5-8](?:\\.[0-9] )?(?!.*トライデント\\/[5-9]\\.0). *$ <span mp-original-font-size="16" mp-original-line-height="28" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 28px;"><p mp-original-font-size="17" mp-original-line-height="27" style='margin: 0px 0px 1.2em !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><br mp-original-font-size="17" mp-original-line-height="27" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;overflow-wrap: break-word !important;font-size: 17px;line-height: 27px;"> <p mp-original-font-size="17" mp-original-line-height="27" style='margin: 0px 0px 1.2em !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'>#添付ファイル: <span mp-original-font-size="16" mp-original-line-height="25" style="margin: 0px;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;font-size: 16px;overflow-wrap: break-word !important;line-height: 25px;"> <p mp-original-font-size="17" mp-original-line-height="27" style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><img src="https://img.php.cn/upload/article/001/275/013/1c82c330bde20f7be573bdcab8d56a83-1.png" alt="運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！" > <p mp-original-font-size="17" mp-original-line-height="27" style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: 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style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><img src="https://img.php.cn/upload/article/001/275/013/98d33353058e01d11c4786c99364ae07-4.png" alt="運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！" > <p mp-original-font-size="17" mp-original-line-height="27" style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><img src="https://img.php.cn/upload/article/001/275/013/658f5fb4908e9cd56481f58049e5dd81-5.png" alt="運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！" > <p mp-original-font-size="17" mp-original-line-height="27" style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 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auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><img src="https://img.php.cn/upload/article/001/275/013/b0c6221dda00580eb6fdcea6b92951bf-7.png" alt="運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！" > <p mp-original-font-size="17" mp-original-line-height="27" style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><img src="https://img.php.cn/upload/article/001/275/013/3d3f3e27cd795f66165f4822d16f823a-8.png" alt="運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！" > <p mp-original-font-size="17" mp-original-line-height="27" style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><img src="https://img.php.cn/upload/article/001/275/013/3d3f3e27cd795f66165f4822d16f823a-9.png" alt="運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！" > <p mp-original-font-size="17" mp-original-line-height="27" style='margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0em;margin-left: 0px !important;padding: 0px;outline: 0px;max-width: 100%;box-sizing: border-box !important;word-wrap: break-word !important;clear: both;min-height: 1em;caret-color: rgb(34, 34, 34);color: rgb(34, 34, 34);font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;font-size: 17px;font-style: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: 0.544px;text-align: justify;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;text-decoration: none;font-variant-ligatures: normal;orphans: 2;widows: 2;background-color: rgb(255, 255, 255);overflow-wrap: break-word !important;line-height: 27px;'><img src="https://img.php.cn/upload/article/001/275/013/52d493ee6e5d29b28e9f0850c6288214-10.png" alt="運用・保守の必需品、正規表現の超充実クイックリファレンスマニュアル、今すぐ集めましょう！" >#<section style="max-width:90%"Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;text-size-adjust: auto;color: rgb(62, 62, 62);font-size: 16px;letter-spacing: 1px;word-spacing: 1px;text-align: center;'><strong style='color: rgb(0, 0, 0);word-spacing: 0.1em;caret-color: rgb(51, 51, 51);font-family: -apple-system, system-ui, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-size: 18px;outline: 0px;'><em style='color: inherit;font-size: inherit;letter-spacing: 0.544px;text-align: center;white-space: normal;font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;outline: 0px;line-height: inherit;'></section>#

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