|
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, ' ');
|
},
|
//生成指定个数的字符
|
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;
|
},
|
//首小写字母转大写
|
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();
|
});
|
},
|
//首大写字母转小写
|
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();
|
});
|
},
|
//大写转小写,小写转大写
|
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();
|
}
|
});
|
},
|
//统计含有的子字符串的个数
|
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、数字
|
isAlphanumeric: function(input) {
|
return /^[a-z0-9]+$/i.test(input);
|
},
|
//只包含字母、数字和空格
|
isAlphanumericSpace: function(input) {
|
return /^[a-z0-9\s]*$/i.test(input);
|
},
|
//数字
|
isNumeric: function(input) {
|
return /^(?:[1-9]\d*|0)(?:\.\d+)?$/.test(input);
|
},
|
//小数
|
isDecimal: function(input) {
|
return /^[-+]?(?:0|[1-9]\d*)\.\d+$/.test(input);
|
},
|
//负小数
|
isNegativeDecimal: function(input) {
|
return /^\-?(?:0|[1-9]\d*)\.\d+$/.test(input);
|
},
|
//正小数
|
isPositiveDecimal: function(input) {
|
return /^\+?(?:0|[1-9]\d*)\.\d+$/.test(input);
|
},
|
//整数
|
isInteger: function(input) {
|
return /^[-+]?(?:0|[1-9]\d*)$/.test(input);
|
},
|
//正整数
|
isPositiveInteger: function(input) {
|
return /^\+?(?:0|[1-9]\d*)$/.test(input);
|
},
|
//负整数
|
isNegativeInteger: function(input) {
|
return /^\-?(?:0|[1-9]\d*)$/.test(input);
|
},
|
//只包含数字和空格
|
isNumericSpace: function(input) {
|
return /^[\d\s]*$/.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;
|
},
|
//字符串反转
|
reverse: function(input) {
|
if(this.isBlank(input)) {
|
input;
|
}
|
return input.split("").reverse().join("");
|
},
|
//删掉特殊字符(英文状态下)
|
removeSpecialCharacter: function(input) {
|
return input.replace(/[!-/:-@\[-`{-~]/g, "");
|
},
|
//只包含特殊字符、数字和字母(不包括空格,若想包括空格,改为[ -~])
|
isSpecialCharacterAlphanumeric: function(input) {
|
return /^[!-~]+$/.test(input);
|
},
|
/**
|
* 校验时排除某些字符串,即不能包含某些字符串
|
* @param {Object} conditions:里面有多个属性,如下:
|
*
|
* @param {String} matcherFlag 匹配标识
|
* 0:数字;1:字母;2:小写字母;3:大写字母;4:特殊字符,指英文状态下的标点符号及括号等;5:中文;
|
* 6:数字和字母;7:数字和小写字母;8:数字和大写字母;9:数字、字母和特殊字符;10:数字和中文;
|
* 11:小写字母和特殊字符;12:大写字母和特殊字符;13:字母和特殊字符;14:小写字母和中文;15:大写字母和中文;
|
* 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、小写字母和中文;20:特殊字符、大写字母和中文;
|
* 100:所有字符;
|
* @param {Array} excludeStrArr 排除的字符串,数组格式
|
* @param {String} length 长度,可为空。1,2表示长度1到2之间;10,表示10个以上字符;5表示长度为5
|
* @param {Boolean} ignoreCase 是否忽略大小写
|
* conditions={matcherFlag:"0",excludeStrArr:[],length:"",ignoreCase:true}
|
*/
|
isPatternMustExcludeSomeStr: function(input, conditions) {
|
//参数
|
var matcherFlag = conditions.matcherFlag;
|
var excludeStrArr = conditions.excludeStrArr;
|
var length = conditions.length;
|
var ignoreCase = conditions.ignoreCase;
|
//拼正则
|
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];
|
});
|
},
|
/**
|
* 把连续出现多次的字母字符串进行压缩。如输入:aaabbbbcccccd 输出: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;
|
});
|
},
|
/**
|
* 校验必须同时包含某些字符串
|
* @param {String} input
|
* @param {Object} conditions:里面有多个属性,如下:
|
*
|
* @param {String} matcherFlag 匹配标识
|
* 0:数字;1:字母;2:小写字母;3:大写字母;4:特殊字符,指英文状态下的标点符号及括号等;5:中文;
|
* 6:数字和字母;7:数字和小写字母;8:数字和大写字母;9:数字、字母和特殊字符;10:数字和中文;
|
* 11:小写字母和特殊字符;12:大写字母和特殊字符;13:字母和特殊字符;14:小写字母和中文;15:大写字母和中文;
|
* 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、小写字母和中文;20:特殊字符、大写字母和中文;
|
* 100:所有字符;
|
* @param {Array} excludeStrArr 排除的字符串,数组格式
|
* @param {String} length 长度,可为空。1,2表示长度1到2之间;10,表示10个以上字符;5表示长度为5
|
* @param {Boolean} ignoreCase 是否忽略大小写
|
* conditions={matcherFlag:"0",containStrArr:[],length:"",ignoreCase:true}
|
*
|
*/
|
isPatternMustContainSomeStr: function(input, conditions) {
|
//参数
|
var matcherFlag = conditions.matcherFlag;
|
var containStrArr = conditions.containStrArr;
|
var length = conditions.length;
|
var ignoreCase = conditions.ignoreCase;
|
//创建正则
|
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 += "$";
|
var pattern = new RegExp(regex, ignoreCase ? "i" : "");
|
return pattern.test(input);
|
},
|
//中文校验
|
isChinese: function(input) {
|
return /^[\u4E00-\u9FA5]+$/.test(input);
|
},
|
//去掉中文字符
|
removeChinese: function(input) {
|
return input.replace(/[\u4E00-\u9FA5]+/gm, "");
|
},
|
//转义元字符
|
escapeMetacharacter: function(input) {
|
var metacharacter = "^$()*+.[]|\\-?{}|";
|
if(metacharacter.indexOf(input) >= 0) {
|
input = "\\" + input;
|
}
|
return input;
|
},
|
//转义字符串中的元字符
|
escapeMetacharacterOfStr: function(input) {
|
return input.replace(/[\^\$\*\+\.\|\\\-\?\{\}\|]/gm, "\\$&");
|
}
|
|
};
|