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正则表达式有关问题

WBOY
Release： 2016-06-13 13:47:32
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正则表达式问题
正则怎样匹配href="xxxabc/efghijk.css"类似这样的字符串中,href="后面的地址不以http开头的字串

比如有两个字符串:



我只想匹配第一个(即href的值不以http开头的), 并把它替换成, 即使相对的链接变成绝对链接地址.
$str = '';
$str = preg_replace("/href=\"((?为什么不行?


------解决方案--------------------
额，我尝试弄了一下，弄不出来，不过建议你一步一步来，比如说用这样的办法
把




保存在in文件里，用grep慢慢调试

#grep --color -P "href=\"[^h][^\"]*\"" in

Related labels：
css href http quot
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