[笔记]邮件验证代码

[笔记]邮件验证代码 用一个正侧达式在javascript中验证就是咯! ~~~~~~~~~~~~~~~~~~~~~~~完毕～ 最简单的就一句: if(!/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/.test('email')) { alert('email不正确'); } --------------------------------------------------------------------------------------------------------- ------------------- js: function isEmail(email) { invalidChars = " /;,:{}[]|*%$#!()`<>?"; if (email == "") { return false; } for (i=0; i< invalidChars.length; i++) { badChar = invalidChars.charAt(i) if (email.indexOf(badChar,0) > -1) { return false; } } atPos = email.indexOf("@",1) if (atPos == -1) { return false; } if (email.indexOf("@", atPos+1) != -1) { return false; } periodPos = email.indexOf(".",atPos) if(periodPos == -1) { return false; // and at least one "." after the "@" } if ( atPos +2 > periodPos) { return false; // and at least one character between "@" and "." } if ( periodPos +3 > email.length) { return false; } return true; } aspx: 调用: 常用验证代码: -------------------------------------------