javascript正则表达式检验汇总
/*********************************************************************************
*abc.js
*javascript正则表达式检验
**********************************************************************************/
//校验是否全由数字组成
functionisDigit(s)
{
varpatrn=/^[0-9]{1,20}$/;
if(!patrn.exec(s))returnfalse
returntrue
}
//校验登录名：只能输入5-20个以字母开头、可带数字、“_”、“.”的字串
functionisRegisterUserName(s)
{
varpatrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/;
if(!patrn.exec(s))returnfalse
returntrue
}
//校验用户姓名：只能输入1-30个以字母开头的字串
functionisTrueName(s)
{
varpatrn=/^[a-zA-Z]{1,30}$/;
if(!patrn.exec(s))returnfalse
returntrue
}
//校验密码：只能输入6-20个字母、数字、下划线
functionisPasswd(s)
{
varpatrn=/^(\w){6,20}$/;
if(!patrn.exec(s))returnfalse
returntrue
}
//校验普通电话、传真号码：可以“+”开头，除数字外，可含有“-”
functionisTel(s)
{
//varpatrn=/^[+]{0,1}(\d){1,3}[]?([-]?(\d){1,12})+$/;
varpatrn=/^[+]{0,1}(\d){1,3}[]?([-]?((\d)|[]){1,12})+$/;
if(!patrn.exec(s))returnfalse
returntrue
}
//校验手机号码：必须以数字开头，除数字外，可含有“-”
functionisMobil(s)
{
varpatrn=/^[+]{0,1}(\d){1,3}[]?([-]?((\d)|[]){1,12})+$/;
if(!patrn.exec(s))returnfalse
returntrue
}
//校验邮政编码
functionisPostalCode(s)
{
//varpatrn=/^[a-zA-Z0-9]{3,12}$/;
varpatrn=/^[a-zA-Z0-9]{3,12}$/;
if(!patrn.exec(s))returnfalse
returntrue
}
//校验搜索关键字
functionisSearch(s)
{
varpatrn=/^[^`~!@#$%^&*()+=|\\\][\]\{\}:;'\,.<>/?]{1}[^`~!@$%^&()+=|\\\][\]\{\}:;'\,.<>?]{0,19}$/;
if(!patrn.exec(s))returnfalse
returntrue
}
functionisIP(s)//byzergling
{
varpatrn=/^[0-9.]{1,20}$/;
if(!patrn.exec(s))returnfalse
returntrue
}