js验证密码的正则表达式

JavaScript012

js验证密码的正则表达式,第1张

完整的js正则表达式：

//强：字母+数字+特殊字符

^(?![a-zA-z]+$)(?!\d+$)(?![!@#$%^&*]+$)(?![a-zA-z\d]+$)(?![a-zA-z!@#$%^&*]+$)(?![\d!@#$%^&*]+$)[a-zA-Z\d!@#$%^&*]+$    

//中：字母+数字，字母+特殊字符，数字+特殊字符

^(?![a-zA-z]+$)(?!\d+$)(?![!@#$%^&*]+$)[a-zA-Z\d!@#$%^&*]+$

//弱：纯数字，纯字母，纯特殊字符

^(?:\d+|[a-zA-Z]+|[!@#$%^&*]+)$

//校验是否全由数字组成function isDigit(s){var patrn=/^[0-9]{1,20}$/if (!patrn.exec(s)) return false

return true

}//校验登录名：只能输入5-20个以字母开头、可带数字、“_”、“.”的字串function isRegisterUserName(s){var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/if (!patrn.exec(s)) return falsereturn true}function isRegisterUserName(s){var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/if (!patrn.exec(s)) return false

return true}

//校验用户姓名：只能输入1-30个以字母开头的字串Javascript代码function isTrueName(s){var patrn=/^[a-zA-Z]{1,30}$/if (!patrn.exec(s)) return falsereturn true}}}

//校验密码：只能输入6-20个字母、数字、下划线

function isPasswd(s){var patrn=/^(\w){6,20}$/if (!patrn.exec(s)) return falsereturn true}

//校验普通电话、传真号码：可以“+”开头，除数字外，可含有“-”

function isTel(s){//var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?(\d){1,12})+$/var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/if (!patrn.exec(s)) return falsereturn true}

//校验手机号码：必须以数字开头，除数字外，可含有“-”

function isMobil(s){var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/if (!patrn.exec(s)) return falsereturn true}

//校验邮政编码

function isPostalCode(s){//var patrn=/^[a-zA-Z0-9]{3,12}$/var patrn=/^[a-zA-Z0-9 ]{3,12}$/if (!patrn.exec(s)) return falsereturn true}

//校验搜索关键字

function isSearch(s){var patrn=/^[^`~!@#$%^&*()+=|\\\][\]\{\}:'\,.<>/?]{1}[^`~!@$%^&()+=|\\\][\]\{\}:'\,.<>?]{0,19}$/if (!patrn.exec(s)) return falsereturn true}function isIP(s) //by zergling{var patrn=/^[0-9.]{1,20}$/if (!patrn.exec(s)) return falsereturn true}

var p=/\{0\}/

var s="验证码:{0}"

alert(p.test(s)) //true

s="验证码:{09}"

alert(p.test(s)) //false

var passwordReg=/^[A-Za-z0-9\!@#\$%\&^\*\_]+$/

var validReg=/^(?=.*[A-Z].*$)(?=.*[a-z].*$)(?=.*[0-9].*$)(?=.*[\!@#\$%\&^\*\_].*$)/

var password='123abc#'

if(!passwordReg.test(password)){

alert('请输入合法的密码组合')

}

if(!validReg.test(paddword)){

alert('密码必须包含字母、数字和字符！!@#$%&^*_')

}