js 验证 常用正则表达式集锦

<script> 
/************************************************* 
*************************************************/ 
Validator = { 
Require : /.+/, 
Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/, 
Phone : /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/, 
Mobile : /^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/, 
Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/, 
IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/, 
Currency : /^\d+(\.\d+)?$/, 
Number : /^\d+$/, 
Zip : /^[1-9]\d{5}$/, 
QQ : /^[1-9]\d{4,8}$/, 
Integer : /^[-\+]?\d+$/, 
Double : /^[-\+]?\d+(\.\d+)?$/, 
English : /^[A-Za-z]+$/, 
Chinese : /^[\u0391-\uFFE5]+$/, 
Username : /^[a-z]\w{3,}$/i, 
UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/, 
IsSafe : function(str){return !this.UnSafe.test(str);}, 
SafeString : "this.IsSafe(value)", 
Filter : "this.DoFilter(value, getAttribute('accept'))", 
Limit : "this.limit(value.length,getAttribute('min'), getAttribute('max'))", 
LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))", 
Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))", 
Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value", 
Range : "getAttribute('min') < (value|0) && (value|0) < getAttribute('max')", 
Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))", 
Custom : "this.Exec(value, getAttribute('regexp'))", 
Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))", 
ErrorItem : [document.forms[0]], 
ErrorMessage : ["以下原因导致提交失败：\t\t\t\t"], 
Validate : function(theForm, mode){ 
var obj = theForm || event.srcElement; 
var count = obj.elements.length; 
this.ErrorMessage.length = 1; 
this.ErrorItem.length = 1; 
this.ErrorItem[0] = obj; 
for(var i=0;i<count;i++){ 
with(obj.elements[i]){ 
var _dataType = getAttribute("dataType"); 
if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined") continue; 
this.ClearState(obj.elements[i]); 
if(getAttribute("require") == "false" && value == "") continue; 
switch(_dataType){ 
case "Date" : 
case "Repeat" : 
case "Range" : 
case "Compare" : 
case "Custom" : 
case "Group" : 
case "Limit" : 
case "LimitB" : 
case "SafeString" : 
case "Filter" : 
if(!eval(this[_dataType])) { 
this.AddError(i, getAttribute("msg")); 
} 
break; 
default : 
if(!this[_dataType].test(value)){ 
this.AddError(i, getAttribute("msg")); 
} 
break; 
} 
} 
} 
if(this.ErrorMessage.length > 1){ 
mode = mode || 1; 
var errCount = this.ErrorItem.length; 
switch(mode){ 
case 2 : 
for(var i=1;i<errCount;i++) 
this.ErrorItem[i].style.color = "red"; 
case 1 : 
alert(this.ErrorMessage.join("\n")); 
this.ErrorItem[1].focus(); 
break; 
case 3 : 
for(var i=1;i<errCount;i++){ 
try{ 
var span = document.createElement("SPAN"); 
span.id = "__ErrorMessagePanel"; 
span.style.color = "red"; 
this.ErrorItem[i].parentNode.appendChild(span); 
span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"*"); 
} 
catch(e){alert(e.description);} 
} 
this.ErrorItem[1].focus(); 
break; 
default : 
alert(this.ErrorMessage.join("\n")); 
break; 
} 
return false; 
} 
return true; 
}, 
limit : function(len,min, max){ 
min = min || 0; 
max = max || Number.MAX_VALUE; 
return min <= len && len <= max; 
}, 
LenB : function(str){ 
return str.replace(/[^\x00-\xff]/g,"**").length; 
}, 
ClearState : function(elem){ 
with(elem){ 
if(style.color == "red") 
style.color = ""; 
var lastNode = parentNode.childNodes[parentNode.childNodes.length-1]; 
if(lastNode.id == "__ErrorMessagePanel") 
parentNode.removeChild(lastNode); 
} 
}, 
AddError : function(index, str){ 
this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index]; 
this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length + ":" + str; 
}, 
Exec : function(op, reg){ 
return new RegExp(reg,"g").test(op); 
}, 
compare : function(op1,operator,op2){ 
switch (operator) { 
case "NotEqual": 
return (op1 != op2); 
case "GreaterThan": 
return (op1 > op2); 
case "GreaterThanEqual": 
return (op1 >= op2); 
case "LessThan": 
return (op1 < op2); 
case "LessThanEqual": 
return (op1 <= op2); 
default: 
return (op1 == op2); 
} 
}, 
MustChecked : function(name, min, max){ 
var groups = document.getElementsByName(name); 
var hasChecked = 0; 
min = min || 1; 
max = max || groups.length; 
for(var i=groups.length-1;i>=0;i--) 
if(groups[i].checked) hasChecked++; 
return min <= hasChecked && hasChecked <= max; 
}, 
DoFilter : function(input, filter){ 
return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, filter.split(/\s*,\s*/).join("|")), "gi").test(input); 
}, 
IsDate : function(op, formatString){ 
formatString = formatString || "ymd"; 
var m, year, month, day; 
switch(formatString){ 
case "ymd" : 
m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$")); 
if(m == null ) return false; 
day = m[6]; 
month = m[5]*1; 
year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10)); 
break; 
case "dmy" : 
m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$")); 
if(m == null ) return false; 
day = m[1]; 
month = m[3]*1; 
year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10)); 
break; 
default : 
break; 
} 
if(!parseInt(month)) return false; 
month = month==0 ?12:month; 
var date = new Date(year, month-1, day); 
return (typeof(date) == "object" && year == date.getFullYear() && month == (date.getMonth()+1) && day == date.getDate()); 
function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;} 
} 
} 
</script>