用正则表达式匹配两个标签之间的所有内容? [英] Match everything inbetween two tags with Regular Expressions?
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问题描述
我如何匹配(PCRE)两个标签之间的所有内容?
我试过这样的事情:
<! - \s * LoginStart \s * - >(。*)<! - \s * LoginEnd \s * - >
但它对我来说效果不太好。
I对于正则表达式来说,这是一种新的方式,所以我希望如果有人愿意向我解释如何使用正则表达式来实现这一点。
感谢
解决方案
$ string ='<! - LoginStart - > ;< div id =stuff> text< / div><! - LoginEnds - >';
$ regex ='#<! - \s * LoginStart \s * - >(。*?)<! - \s * LoginEnds \s * - > #秒;
preg_match($ regex,$ string,$ matches);
print_r($ matches); // $ matches [1] =< div id =stuff> text< / div>
解释:
(。*?)=非贪婪匹配(匹配第一个<! - LoginEnds - >它在$ regex中找到
pre>
s = modifier(变量的结尾)允许多行匹配
,例如'<! - LoginStart - >
more stuff
<! - LoginEnds - >'
How can I match (PCRE) everything inbetween two tags?
I tried something like this:
<!--\s*LoginStart\s*-->(.*)<!--\s*LoginEnd\s*-->
But it didn't work out too well for me..
I'm kind of new to regular expressions, so I was hoping if someone would be kind enough to explain to me how I would accomplish this, if its even possible with regular expressions.
Thanks
解决方案$string = '<!-- LoginStart --><div id="stuff">text</div><!-- LoginEnds -->'; $regex = '#<!--\s*LoginStart\s*-->(.*?)<!--\s*LoginEnds\s*-->#s'; preg_match($regex, $string, $matches); print_r($matches); // $matches[1] = <div id="stuff">text</div>
explanations:
(.*?) = non greedy match (match the first <!-- LoginEnds --> it finds s = modifier in $regex (end of the variable) allows multiline matches such as '<!-- LoginStart -->stuff more stuff <!-- LoginEnds -->'
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