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正则从汉字字符串中取某一个汉字
<?php<br />header("Content-type: text/html; charset=gb2312"); <br />$regex = '/大(\xhh{1})好啊/'; //这里该如何去写,我不会正则,希望大家能帮我解答一下,谢谢<br />$str = '大家好啊';<br />$matches = array();<br /> <br />if(preg_match($regex, $str, $matches)){<br /> var_dump($matches);<br />}<br />?>
header("Content-type: text/html; charset=gb2312"); <br />$regex = '/大(.*?)好啊/';<br />$str = '大家好啊';<br />$str= mb_convert_encoding($str,'gb2312','UTF-8');<br />$regex = mb_convert_encoding($regex,'gb2312','UTF-8');;<br />$matches = array();<br /> <br />if(preg_match($regex, $str, $matches)){<br /> var_dump($matches);<br />//array(2) { [0]=> string(12) "大家好啊" [1]=> string(3) "家" }<br />}