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分享<input type="text" id="str" size="100" />
<input type="button" onclick="func()" value="转换" />
<script type="text/javascript">
function func()
{
var regex = /http:\/\/((?!http:\/\/)[^\u4e00-\u9fa5])+/gi;
var o = document.getElementById("str");
var str = o.value;
str = str.replace(regex,function(w)
{
return "<a target=\"_blank\" href=\""+ w +"\">"+ w +"</a>";
}
)
o.value = str;
}
</script>if(input.value)
input.value = input.value.replace(/(https?:\/\/\w+)/ig, '<a target="_blank" href="$1">$1</a>')
<!DOCTYPE>
<html>
<head>
<title></title>
<script type='text/javascript'>
var func = function(e){
var txt = document.getElementById('txt');
txt.value = txt.value.replace(/(http:\/\/[-.\w]+)/g,'<a target="_blank" href="$1">$1</a>');
};
</script>
</head>
<body>
<button type='button' onclick="func(event)">click</button>
<input type="text" id="txt" value="呵呵http://www.baidu.com123你好" size='80' />
</body>
</html>
var s = '呵呵testhttp://www.baidu.com还好';
var r = /.*?(http:\/\/[\w.]+).*/;
var e = r.exec(s);
if(e!=null)
alert(s.replace(RegExp.$1,"<a href='"+RegExp.$1+"'>"+RegExp.$1+"</a>"));