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一.相关的代码
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function test() 2
{ 3
var temp = document.getElementById("text1"); 4
//对电子邮件的验证 5
var myreg = /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/; 6
if(!myreg.test(temp.value)) 7
{ 8
alert('提示\n\n请输入有效的E_mail!'); 9
myreg.focus(); 10
return false; 11
} 12
} 13
//由于方法相同,一下只写出相关的正则表达式 14
//对于手机号码的验证(提供了两种方法) 15
var mobile=/^((13[0-9]{1})|159|153)+\d{8}$/; 16
var mobile1=/^(13+\d{9})|(159+\d{8})|(153+\d{8})$/; 17
//对于区号的验证 18
var phoneAreaNum = /^\d{3,4}$/; 19
//对于电话号码的验证 20
var phone =/^\d{7,8}$/;
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二.解释相关的意义 1. /^$/ 这个是个通用的格式。 ^ 匹配输入字符串的开始位置;$匹配输入字符串的结束位置 2. 里面输入需要实现的功能。 * 匹配前面的子表达式零次或多次; + 匹配前面的子表达式一次或多次; ?匹配前面的子表达式零次或一次; \d 匹配一个数字字符,等价于[0-9]