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求php从一段字符串中截取指定内容的正则表达式代码解决方案

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Release: 2016-06-13 10:26:09
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求php从一段字符串中截取指定内容的正则表达式代码
字符串是这样的 fhghfghdfpostm|a:2:{i:5;i:0;i:2;i:0;}dsfdsdfsd

也可能是fhghfsdfsdfgdfgdfgdfgghdfpostm|a:2:{i:5;i:0;i:2;i:0;i:0;i:0;i:0;}dsfdsdfsdsdfsdfgsdgsdg

我想要截取其中的 postm|a:2:{i:5;i:0;i:2;i:0;}或者postm|a:2:{i:5;i:0;i:2;i:0;i:0;i:0;i:0;} 但是这个字符串的长度不固定 求代码

------解决方案--------------------

PHP code
$s = 'fhghfsdfsdfgdfgdfgdfgghdfpostm|a:2:{i:5;i:0;i:2;i:0;i:0;i:0;i:0;}dsfdsdfsdsdfsdfgsdgsdg';echo preg_replace('/.*(postm.+\}).*/', '$1', $s);<div class="clear">
                 
              
              
        
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