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PHP中preg_match正则匹配中的/u、/i、/s含义_php技巧

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2016-05-16 20:17:251207browse

PHP中preg_match正则匹配的/u /i  /s是什么意思
/u 表示按unicode(utf-8)匹配（主要针对多字节比如汉字）
/i 表示不区分大小写（如果表达式里面有 a， 那么 A 也是匹配对象）
/s 表示将字符串视为单行来匹配

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