StringUtils = {   isEmpty: function(input) {    return input == null || input == '';   },   isNotEmpty: function(input) {    return !this.isEmpty(input);   },   isBlank: function(input) {    return input == null || /^/s*$/.test(input);   },   isNotBlank: function(input) {    return !this.isBlank(input);   },   trim: function(input) {    return input.replace(/^/s+|/s+$/, '');   },   trimToEmpty: function(input) {    return input == null ? "" : this.trim(input);   },   startsWith: function(input, prefix) {    return input.indexOf(prefix) === 0;   },   endsWith: function(input, suffix) {    return input.lastIndexOf(suffix) === 0;   },   contains: function(input, searchSeq) {    return input.indexOf(searchSeq) >= 0;   },   equals: function(input1, input2) {    return input1 == input2;   },   equalsIgnoreCase: function(input1, input2) {    return input1.toLocaleLowerCase() == input2.toLocaleLowerCase();   },   containsWhitespace: function(input) {    return this.contains(input, ' ');   },   //生成指定個(gè)數(shù)的字符   repeat: function(ch, repeatTimes) {    var result = "";    for(var i = 0; i < repeatTimes; i++) {     result += ch;    }    return result;   },   deleteWhitespace: function(input) {    return input.replace(//s+/g, '');   },   rightPad: function(input, size, padStr) {    return input + this.repeat(padStr, size);   },   leftPad: function(input, size, padStr) {    return this.repeat(padStr, size) + input;   },   //首小寫字母轉(zhuǎn)大寫   capitalize: function(input) {    var strLen = 0;    if(input == null || (strLen = input.length) == 0) {     return input;    }    return input.replace(/^[a-z]/, function(matchStr) {     return matchStr.toLocaleUpperCase();    });   },   //首大寫字母轉(zhuǎn)小寫   uncapitalize: function(input) {    var strLen = 0;    if(input == null || (strLen = input.length) == 0) {     return input;    }    return input.replace(/^[A-Z]/, function(matchStr) {     return matchStr.toLocaleLowerCase();    });   },   //大寫轉(zhuǎn)小寫，小寫轉(zhuǎn)大寫   swapCase: function(input) {    return input.replace(/[a-z]/ig, function(matchStr) {     if(matchStr >= 'A' && matchStr <= 'Z') {      return matchStr.toLocaleLowerCase();     } else if(matchStr >= 'a' && matchStr <= 'z') {      return matchStr.toLocaleUpperCase();     }    });   },   //統(tǒng)計(jì)含有的子字符串的個(gè)數(shù)   countMatches: function(input, sub) {    if(this.isEmpty(input) || this.isEmpty(sub)) {     return 0;    }    var count = 0;    var index = 0;    while((index = input.indexOf(sub, index)) != -1) {     index += sub.length;     count++;    }    return count;   },   //只包含字母   isAlpha: function(input) {    return /^[a-z]+$/i.test(input);   },   //只包含字母、空格   isAlphaSpace: function(input) {    return /^[a-z/s]*$/i.test(input);   },   //只包含字母、數(shù)字   isAlphanumeric: function(input) {    return /^[a-z0-9]+$/i.test(input);   },   //只包含字母、數(shù)字和空格   isAlphanumericSpace: function(input) {    return /^[a-z0-9/s]*$/i.test(input);   },   //數(shù)字   isNumeric: function(input) {    return /^(?:[1-9]/d*|0)(?:/./d+)?$/.test(input);   },   //小數(shù)   isDecimal: function(input) {    return /^[-+]?(?:0|[1-9]/d*)/./d+$/.test(input);   },   //負(fù)小數(shù)   isNegativeDecimal: function(input) {    return /^/-?(?:0|[1-9]/d*)/./d+$/.test(input);   },   //正小數(shù)   isPositiveDecimal: function(input) {    return /^/+?(?:0|[1-9]/d*)/./d+$/.test(input);   },   //整數(shù)   isInteger: function(input) {    return /^[-+]?(?:0|[1-9]/d*)$/.test(input);   },   //正整數(shù)   isPositiveInteger: function(input) {    return /^/+?(?:0|[1-9]/d*)$/.test(input);   },   //負(fù)整數(shù)   isNegativeInteger: function(input) {    return /^/-?(?:0|[1-9]/d*)$/.test(input);   },   //只包含數(shù)字和空格   isNumericSpace: function(input) {    return /^[/d/s]*$/.test(input);   },   isWhitespace: function(input) {    return /^/s*$/.test(input);   },   isAllLowerCase: function(input) {    return /^[a-z]+$/.test(input);   },   isAllUpperCase: function(input) {    return /^[A-Z]+$/.test(input);   },   defaultString: function(input, defaultStr) {    return input == null ? defaultStr : input;   },   defaultIfBlank: function(input, defaultStr) {    return this.isBlank(input) ? defaultStr : input;   },   defaultIfEmpty: function(input, defaultStr) {    return this.isEmpty(input) ? defaultStr : input;   },   //字符串反轉(zhuǎn)   reverse: function(input) {    if(this.isBlank(input)) {     input;    }    return input.split("").reverse().join("");   },   //刪掉特殊字符(英文狀態(tài)下)   removeSpecialCharacter: function(input) {    return input.replace(/[!-/:-@/[-`{-~]/g, "");   },   //只包含特殊字符、數(shù)字和字母（不包括空格，若想包括空格，改為[ -~]）   isSpecialCharacterAlphanumeric: function(input) {    return /^[!-~]+$/.test(input);   },   /**    * 校驗(yàn)時(shí)排除某些字符串，即不能包含某些字符串    * @param {Object} conditions:里面有多個(gè)屬性，如下：    *    * @param {String} matcherFlag 匹配標(biāo)識(shí)    * 0:數(shù)字；1：字母；2：小寫字母；3:大寫字母；4：特殊字符,指英文狀態(tài)下的標(biāo)點(diǎn)符號(hào)及括號(hào)等；5:中文;    * 6:數(shù)字和字母；7：數(shù)字和小寫字母；8：數(shù)字和大寫字母；9：數(shù)字、字母和特殊字符；10：數(shù)字和中文；    * 11：小寫字母和特殊字符；12：大寫字母和特殊字符；13：字母和特殊字符；14：小寫字母和中文；15：大寫字母和中文；    * 16：字母和中文；17：特殊字符、和中文；18：特殊字符、字母和中文；19：特殊字符、小寫字母和中文；20：特殊字符、大寫字母和中文；    * 100：所有字符;    * @param {Array} excludeStrArr 排除的字符串，數(shù)組格式    * @param {String} length 長(zhǎng)度，可為空。1,2表示長(zhǎng)度1到2之間；10，表示10個(gè)以上字符；5表示長(zhǎng)度為5    * @param {Boolean} ignoreCase 是否忽略大小寫    * conditions={matcherFlag:"0",excludeStrArr:[],length:"",ignoreCase:true}    */   isPatternMustExcludeSomeStr: function(input, conditions) {    //參數(shù)    var matcherFlag = conditions.matcherFlag;    var excludeStrArr = conditions.excludeStrArr;    var length = conditions.length;    var ignoreCase = conditions.ignoreCase;    //拼正則    var size = excludeStrArr.length;    var regex = (size == 0) ? "^" : "^(?!.*(?:{0}))";    var subPattern = "";    for(var i = 0; i < size; i++) {     excludeStrArr[i] = Bee.StringUtils.escapeMetacharacterOfStr(excludeStrArr[i]);     subPattern += excludeStrArr[i];     if(i != size - 1) {      subPattern += "|";     }    }    regex = this.format(regex, [subPattern]);    switch(matcherFlag) {     case '0':      regex += "//d";      break;     case '1':      regex += "[a-zA-Z]";      break;     case '2':      regex += "[a-z]";      break;     case '3':      regex += "[A-Z]";      break;     case '4':      regex += "[!-/:-@/[-`{-~]";      break;     case '5':      regex += "[/u4E00-/u9FA5]";      break;     case '6':      regex += "[a-zA-Z0-9]";      break;     case '7':      regex += "[a-z0-9]";      break;     case '8':      regex += "[A-Z0-9]";      break;     case '9':      regex += "[!-~]";      break;     case '10':      regex += "[0-9/u4E00-/u9FA5]";      break;     case '11':      regex += "[a-z!-/:-@/[-`{-~]";      break;     case '12':      regex += "[A-Z!-/:-@/[-`{-~]";      break;     case '13':      regex += "[a-zA-Z!-/:-@/[-`{-~]";      break;     case '14':      regex += "[a-z/u4E00-/u9FA5]";      break;     case '15':      regex += "[A-Z/u4E00-/u9FA5]";      break;     case '16':      regex += "[a-zA-Z/u4E00-/u9FA5]";      break;     case '17':      regex += "[/u4E00-/u9FA5!-/:-@/[-`{-~]";      break;     case '18':      regex += "[/u4E00-/u9FA5!-~]";      break;     case '19':      regex += "[a-z/u4E00-/u9FA5!-/:-@/[-`{-~]";      break;     case '20':      regex += "[A-Z/u4E00-/u9FA5!-/:-@/[-`{-~]";      break;     case '100':      regex += "[/s/S]";      break;     default:      alert(matcherFlag + ":This type is not supported!");    }    regex += this.isNotBlank(length) ? "{" + length + "}" : "+";    regex += "$";    var pattern = new RegExp(regex, ignoreCase ? "i" : "");    return pattern.test(input);   },   /**    * @param {String} message    * @param {Array} arr    * 消息格式化    */   format: function(message, arr) {    return message.replace(/{(/d+)}/g, function(matchStr, group1) {     return arr[group1];    });   },   /**    * 把連續(xù)出現(xiàn)多次的字母字符串進(jìn)行壓縮。如輸入:aaabbbbcccccd 輸出:3a4b5cd    * @param {String} input    * @param {Boolean} ignoreCase : true or false    */   compressRepeatedStr: function(input, ignoreCase) {    var pattern = new RegExp("([a-z])//1+", ignoreCase ? "ig" : "g");    return result = input.replace(pattern, function(matchStr, group1) {     return matchStr.length + group1;    });   },   /**    * 校驗(yàn)必須同時(shí)包含某些字符串    * @param {String} input    * @param {Object} conditions:里面有多個(gè)屬性，如下：    *    * @param {String} matcherFlag 匹配標(biāo)識(shí)    * 0:數(shù)字；1：字母；2：小寫字母；3:大寫字母；4：特殊字符,指英文狀態(tài)下的標(biāo)點(diǎn)符號(hào)及括號(hào)等；5:中文;    * 6:數(shù)字和字母；7：數(shù)字和小寫字母；8：數(shù)字和大寫字母；9：數(shù)字、字母和特殊字符；10：數(shù)字和中文；    * 11：小寫字母和特殊字符；12：大寫字母和特殊字符；13：字母和特殊字符；14：小寫字母和中文；15：大寫字母和中文；    * 16：字母和中文；17：特殊字符、和中文；18：特殊字符、字母和中文；19：特殊字符、小寫字母和中文；20：特殊字符、大寫字母和中文；    * 100：所有字符;    * @param {Array} excludeStrArr 排除的字符串，數(shù)組格式    * @param {String} length 長(zhǎng)度，可為空。1,2表示長(zhǎng)度1到2之間；10，表示10個(gè)以上字符；5表示長(zhǎng)度為5    * @param {Boolean} ignoreCase 是否忽略大小寫    * conditions={matcherFlag:"0",containStrArr:[],length:"",ignoreCase:true}    *    */   isPatternMustContainSomeStr: function(input, conditions) {    //參數(shù)    var matcherFlag = conditions.matcherFlag;    var containStrArr = conditions.containStrArr;    var length = conditions.length;    var ignoreCase = conditions.ignoreCase;    //創(chuàng)建正則    var size = containStrArr.length;    var regex = "^";    var subPattern = "";    for(var i = 0; i < size; i++) {     containStrArr[i] = Bee.StringUtils.escapeMetacharacterOfStr(containStrArr[i]);     subPattern += "(?=.*" + containStrArr[i] + ")";    }    regex += subPattern;    switch(matcherFlag) {     case '0':      regex += "//d";      break;     case '1':      regex += "[a-zA-Z]";      break;     case '2':      regex += "[a-z]";      break;     case '3':      regex += "[A-Z]";      break;     case '4':      regex += "[!-/:-@/[-`{-~]";      break;     case '5':      regex += "[/u4E00-/u9FA5]";      break;     case '6':      regex += "[a-zA-Z0-9]";      break;     case '7':      regex += "[a-z0-9]";      break;     case '8':      regex += "[A-Z0-9]";      break;     case '9':      regex += "[!-~]";      break;     case '10':      regex += "[0-9/u4E00-/u9FA5]";      break;     case '11':      regex += "[a-z!-/:-@/[-`{-~]";      break;     case '12':      regex += "[A-Z!-/:-@/[-`{-~]";      break;     case '13':      regex += "[a-zA-Z!-/:-@/[-`{-~]";      break;     case '14':      regex += "[a-z/u4E00-/u9FA5]";      break;     case '15':      regex += "[A-Z/u4E00-/u9FA5]";      break;     case '16':      regex += "[a-zA-Z/u4E00-/u9FA5]";      break;     case '17':      regex += "[/u4E00-/u9FA5!-/:-@/[-`{-~]";      break;     case '18':      regex += "[/u4E00-/u9FA5!-~]";      break;     case '19':      regex += "[a-z/u4E00-/u9FA5!-/:-@/[-`{-~]";      break;     case '20':      regex += "[A-Z/u4E00-/u9FA5!-/:-@/[-`{-~]";      break;     case '100':      regex += "[/s/S]";      break;     default:      alert(matcherFlag + ":This type is not supported!");    }    regex += this.isNotBlank(length) ? "{" + length + "}" : "+";    regex += "$";    var pattern = new RegExp(regex, ignoreCase ? "i" : "");    return pattern.test(input);   },   //中文校驗(yàn)   isChinese: function(input) {    return /^[/u4E00-/u9FA5]+$/.test(input);   },   //去掉中文字符   removeChinese: function(input) {    return input.replace(/[/u4E00-/u9FA5]+/gm, "");   },   //轉(zhuǎn)義元字符   escapeMetacharacter: function(input) {    var metacharacter = "^$()*+.[]|//-?{}|";    if(metacharacter.indexOf(input) >= 0) {     input = "//" + input;    }    return input;   },   //轉(zhuǎn)義字符串中的元字符   escapeMetacharacterOfStr: function(input) {    return input.replace(/[/^/$/*/+/./|///-/?/{/}/|]/gm, "//$&");   }   };