js常用的表单验证（自己收集的哦。很多的代码）

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> posted on 2006-11-04 16:26 暗夜精灵 阅读(178) 评论(0) 编辑 收藏 所属分类: JS学习