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这个错误的正则最早是哪儿流传出来的呢？

 4 years ago
source link: https://www.v2ex.com/t/788742
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V2EX  ›  PHP

这个错误的正则最早是哪儿流传出来的呢？

  wdssmq · 14 小时 31 分钟前 · 2243 次点击

$pattern="/<[img|IMG].*?src=[\'|\"](.*?(?:[\.gif|\.jpg|\.png]))[\'|\"].*?[\/]?>/";

↑↑ 用来匹配内容中的图片，但是 [img|IMG] 匹配到的是 i 或 I 。。

$pattern = '/<img[^>]*src="([^"]+)"[^>]*>/i';

↑↑ 如果数据中用了单引号，，那是数据的错误 →_→


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