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求教PHP正则表达式

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Release： 2016-06-06 20:27:46
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我需要在一段html代码中找出一个包含特定字符串的段落，如下图，测试可以找出这个段落。

求教PHP正则表达式

但是在php里，会匹配第一个p标签，而不是从我需要的那一个p开始匹配，按理说我这不是已经设置成非贪婪模式了吗？为什么不行呢

回复内容：

我需要在一段html代码中找出一个包含特定字符串的段落，如下图，测试可以找出这个段落。

求教PHP正则表达式

但是在php里，会匹配第一个p标签，而不是从我需要的那一个p开始匹配，按理说我这不是已经设置成非贪婪模式了吗？为什么不行呢

有换行符的替换结果:

求教PHP正则表达式

无换行符的替换结果:

求教PHP正则表达式

发你PHP的代码, 初步怀疑你代码里的字符串是没有换行的.

Related labels：
php regular expression
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