<script type="text/javascript">
var newContent= content.replace(/<img [^>]*src=['"]([^'"]+)[^>]*>/gi,function(match,capture){

  //capture,返回每个匹配的字符串
  var newStr='<img src="http://www.csghj.gov.cn'+capture+'" alt="" />';
  return newStr;
});
console.debug(newContent);
</script>

转自:http://blog.csdn.net/burongwawa520/article/details/46562015

 

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