<!doctype html> <html> <head> <meta charset="utf-8"> <title></title> <script type="text/javascript"> function aaa(str){ var reg1 = /[0-9]+/; var reg2 = /[a-zA-Z]+/; var reg3 = /[~!@#$%^&*()_+-= <>,.:;'"]+/; var html=""; if(reg1.test(str)){html += ("有數字\n");} if(reg2.test(str)){html += ("有英文\n");} if(reg3.test(str)){html += ("有特殊字符\n");} alert(html); } </script> </head> <body> <input type="text" name="" onblur="aaa(this.value);"> </body> </html>
取url中的一段：2016-1-26
var s= 'www.baidu.com/wenzhang/a5170095fad6fde708a563d135e1302b.htm'.match(/(\w+)\.htm/)[1]; alert(s);
