请教大家一个简单的正则试,在线等,谢谢.

Question

<script>var a='http://139.22.56.2/aaa/sadsa/fds.shtml http://localhost/321321.htm'
var aa=a.match(/\/\/([^\/]*?)\//g)
for(var   i=0;i <aa.length;i++){
      alert(aa[i].replace(/\/\/([^\/]*?)\//,"$1"))
} 
</script>

Answer 1

var reg=/\[color\s*=\s*[^\]]*\](?:(?!\[\/color\])[\s\S])*\[\/color\]/i;

Answer 2

<script>
var s1="http://139.22.56.2/aaa/sadsa/fds.shtml";
var s2="http://localhost/321321.htm";
var s3="http://139.11.22.11/ds/dfsd/fsd/324-321/2.asp";var reg=/\[color\s*=\s*[^\]]*\]((?:(?!\[\/color\])[\s\S])*)\[\/color\]/i;//var m=s1.match(reg);
//alert(m[1]);document.write(s1.match(reg)[1],"<br />");
document.write(s2.match(reg)[1],"<br />");
document.write(s3.match(reg)[1],"<br />");
</script>

Answer 3

<script>var a='http://139.22.56.2/aaa/sadsa/fds.shtml'
alert(a.replace(/^.*?\/\/([^\/]*?)\/.*?$/,"$1"))
</script>如果只是一个字符串

Answer 4

<script>
var input = "http://139.11.22.11/ds/dfsd/fsd/324-321/2.asp";
var pattern = /\/\/([^\/]*?)\//;
var result = pattern.exec(input);
alert(result[1]);
</script>

Answer 5

楼上的两位，我猜[color=red]只是CSDN的原因导致楼主本来想用红色显示的部分没显示成红色吧

Answer 6

while(true){
  System.out.println("ha ha...");
}