csdn 正则 flow code pan net eval nbsp
这里都是以 图片中的元素为例:
1 Regex reg = new Regex(@"(?is)(?<=<img[^>]*)[^""]*(?=""[^>]*>)");
替换 alt 内容:
- varreplace ="alt=' 要替换的内容 ";
- source = Regex.Replace(source,"alt=\"\"", replace);
上面那个并不严谨
- varreplace =" 替换内容 ";
- source = Regex.Replace(source,@"(?is)(?<=<img[^>]*)[^""]*(?=""[^>]*>)", replace);
自己先定义规则,然后替换
- 1Regex r =newRegex(@"(?is)(?<=<img[^>]*)");
- 2
- 3 varreplace =" 替换内容 ";
- 4
- 5source = r.Replace(source,newMatchEvaluator(x => replace));
参考: http://bbs.csdn.net/topics/390320097
https://q.cnblogs.com/q/60920/
正则匹配 替换.. 追加..
来源: http://www.bubuko.com/infodetail-2095102.html