jquery验证大全

 1   //效验长度， 英文一个字符，中文二个字符 Gy
     inputlength:function(str){
         var len = 0;   
         for(var i = 0;i<str.length;i++ ){
              var c = str.charCodeAt(i);
              if ((c >= 0x0001 && c <= 0x007e) || (0xff60 <= c && c <= 0xff9f)) {
                     len++;
                 }else{
                     len += 2;
                 }
         }    
          return len;
     },

var email = $("#email").val();

  var reg =/^([a-zA-Z0-9._-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/;

if(!reg.test(email)){

 $("#email").focus();

 return jsLocale[‘Email_error‘];

}