<script>
s="<SPAN class='class1'>abc<SPAN class='class2'>def</SPAN></SPAN>";
ss=s.replace(/(<SPAN[^>]+>)|(<\/SPAN>)/gi,"");
alert(ss);
s="<SPAN class='class1'>abc</SPAN><SPAN class='class2'>def</SPAN>";
ss=s.replace(/(<SPAN[^>]+>)|(<\/SPAN>)/gi,"");
alert(ss);
</script>
s="<SPAN class='class1'>abc<SPAN class='class2'>def</SPAN></SPAN>";
ss=s.replace(/(<SPAN[^>]+>)|(<\/SPAN>)/gi,"");
alert(ss);
s="<SPAN class='class1'>abc</SPAN><SPAN class='class2'>def</SPAN>";
ss=s.replace(/(<SPAN[^>]+>)|(<\/SPAN>)/gi,"");
alert(ss);
</script>
<body><span id=demo></span>
<script>
str1="<SPAN class='class1'>abc<SPAN class='class2'>def</SPAN></SPAN>"
str2="<SPAN class='class1'>abc</SPAN><SPAN class='class2'>def</SPAN>"
demo.innerHTML=str1;
alert(demo.innerText)
demo.innerHTML=str2;
alert(demo.innerText)
</script>
<script>
str1="<SPAN class='class1'>abc<SPAN class='class2'>def</SPAN></SPAN>"
str2="<SPAN class='class1'>abc</SPAN><SPAN class='class2'>def</SPAN>"
var reg=/(<(\/)?span[^>]*>)/gi
alert(str1.replace(reg,""))
alert(str2.replace(reg,""))
</script>
因为我做到这儿要实现一些效果才想起正则表达式并开始学它,所以了解不多,希望以后能再得到大家的指点。
起初我用String.replace时是一个一个替换的,格式如下:
while(str.search(pattern)>=0)
str=str.replace(pattern,"");
所以出现了问题,原来/g可以使replace全部替换,呵呵,很高兴!!!谢谢晓月和秋水无恨