dtbhp60824 2016-09-23 09:44
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正则表达式替换url编码的字符串

I have a string in which I want to replace the text [[signature]] with a given value, but because it is encoded, the text looks like %5B%5Bsignature%5D%5D.

How do I replace this using a regular expression? This snippet works, but only if the string is not encoded:

$replace = preg_replace('/\[\[signature\]\]/', 'replaced!', $html);
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  • douba3975 2016-09-23 09:57
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    You have encoded the string, so just decode it then run your replace.

    $html = urldecode($html);
    $replace = preg_replace('/\[\[signature\]\]/', 'replaced!', $html);
    

    You can always encode it again afterwards if you need:

    $html = urlencode($html);
    

    Non-Regex Solution

    If your find/replace is really that simple then you don't even need to use regex. Just do a standard string replace:

    $html = str_replace('[[signature]]', 'replaced!', $html);
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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