var regID3 =/<img [^>]*>/ig;
var str = "aaaaaaaaa<img src='xxxxx' > ccc cdf <img src='xxxxx' >ccccccc";
var haha = str.replace(regID3,"图片")
alert(haha);
var str = "aaaaaaaaa<img src='xxxxx' > ccc cdf <img src='xxxxx' >ccccccc";
var haha = str.replace(regID3,"图片")
alert(haha);
给你写一个<script language="JavaScript">
var regID3 =/<img.*?>/ig;
var str = "aaaaaaaaa<img src='xxxxx' > ccc cdf <img src='xxxxx' >ccccccc";
var haha = str.replace(regID3,"图片")
alert(haha);</script>?表示非贪婪模式,即尽量更多地匹配项