正则表达式string对象方法

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html";charset="gbk"/>
<script type="text/javascript" >
 var str="beijing is not a big city";
 var index=str.search(/jing/i);
 alert(index);                                                           3                                      
 var index=str.replace(/jing/i,"hai");
 alert(index);                                                           beihai is not a big city         
 var str="1+3=4";
 var t = str.match(/\d+/g);
 alert(t);                                                                  1,3,4                                
 alert("1,2,3".split(","));                                             1,2,3                                
 alert("1,2,3".split(/,/));                                             1,2,3                                
</script>
</head>
<body>
   
  
</body>
</html>

posted @ 2014-02-20 10:05  birdlow  阅读(169)  评论(0)    收藏  举报