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php匹配字符串的时候怎么样能不理img标签里面的内容

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Release： 2016-06-06 20:18:47
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我在发表文章自动添加锚文本的时候，发现如果图片里面的alt，title属性包含关键词，就会被替换，图片显示就会有问题了。
我想要的结果就是匹配除了php匹配字符串的时候怎么样能不理img标签里面的内容以外的字符串，求大神帮帮我。

回复内容：

我在发表文章自动添加锚文本的时候，发现如果图片里面的alt，title属性包含关键词，就会被替换，图片显示就会有问题了。
我想要的结果就是匹配除了php匹配字符串的时候怎么样能不理img标签里面的内容以外的字符串，求大神帮帮我。

换一个思路
1.获取img位置，并保存到临时数组中，注意img的位置也要一起保存
2.删除文章所有的img标签
3.进行关键词匹配，保存到文章中
4.把img标签插入到$article对应位置

我们当时的做法比较简单 正则匹配找出img里的图片链接 然后以这些链接自己拼成符合我们要求的img放上去

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