554 lines
16 KiB
JavaScript
554 lines
16 KiB
JavaScript
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/**
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* 字符串工具类
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**/
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export const StrUtil = {
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/**
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* 字符串是否为空白 空白的定义如下： <br>
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* 1、为null <br>
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* 2、为不可见字符（如空格）<br>
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* 3、""<br>
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*
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* @param str 被检测的字符串
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* @return boolean 是否为空
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*/
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isBlank: function (str) {
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return str === undefined || str == null || this.trim(str) === "";
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},
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/**
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* 字符串是否为非空白 空白的定义如下： <br>
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* 1、不为null <br>
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* 2、不为不可见字符（如空格）<br>
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* 3、不为""<br>
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*
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* @param str 被检测的字符串
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* @return boolean 是否为非空
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*/
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isNotBlank: function (str) {
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// == 代表相同,=== 代表严格相同
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return false === StrUtil.isBlank(str);
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},
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/**
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* 字符串是否为空，空的定义如下:<br>
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* 1、为null <br>
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* 2、为""<br>
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*
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* @param str 被检测的字符串
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* @return boolean 是否为空
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*/
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isEmpty: function (str) {
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return str == null || str === "";
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},
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/**
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* 字符串是否为非空白 空白的定义如下： <br>
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* 1、不为null <br>
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* 2、不为""<br>
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*
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* @param str 被检测的字符串
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* @return boolean 是否为非空
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*/
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isNotEmpty: function (str) {
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return !StrUtil.isEmpty(str);
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},
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/**
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* 空对象转字符串
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*
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* @param str 被检查的字符串
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* @return string 原字符串或者空串
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*/
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nullToStr: function (str) {
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if (StrUtil.isEmpty(str)) {
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return "";
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}
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return str;
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},
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/**
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* 空格截取
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*
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* @param str 截取的字符串
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* @return string
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*/
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trim: function (str) {
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if (str == null) {
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return "";
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}
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return str.toString().replace(/(^\s*)|(\s*$)|\r|\n/g, "");
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},
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/**
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* 比较两个字符串（大小写敏感）
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*
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* @param str 字符串
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* @param that 比较的字符串
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* @return boolean
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*/
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equals: function (str, that) {
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return str === that;
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},
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/**
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* 比较两个字符串（大小写不敏感）
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*
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* @param str 字符串
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* @param that 比较的字符串
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* @return boolean
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*/
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equalsIgnoreCase: function (str, that) {
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return String(str).toUpperCase() === String(that).toUpperCase();
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},
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/**
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* 将字符串按指定字符分割
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*
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* @param str 字符串
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* @param sep 比较的字符串
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* @param maxLen 最大长度
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* @return string[] 分割后的数组
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*/
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split: function (str, sep, maxLen) {
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if (StrUtil.isEmpty(str)) {
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return null;
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}
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const value = String(str).split(sep);
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return maxLen ? value.slice(0, maxLen - 1) : value;
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},
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/**
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* 字符串格式化(%s )
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*
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* @param str 字符串
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* @return 格式化后的字符串
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*/
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sprintf: function (str) {
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let args = arguments, flag = true, i = 1;
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str = str.replace(/%s/g, function () {
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const arg = args[i++];
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if (typeof arg === 'undefined') {
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flag = false;
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return '';
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}
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return arg;
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});
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return flag ? str : '';
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},
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/**
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* 判断字符串是否是以start开头
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*
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* @param str 字符串
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* @param start 开始的字符串
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* @return boolean
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*/
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startWith: function (str, start) {
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const reg = new RegExp("^" + start);
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return reg.test(str);
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},
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/**
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* 判断字符串是否是以end结尾
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*
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* @param str 字符串
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* @param end 结尾的字符串
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* @return boolean
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*/
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endWith: function (str, end) {
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const reg = new RegExp(end + "$");
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return reg.test(str);
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},
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containsWhitespace: function (input) {
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return this.contains(input, ' ');
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},
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//生成指定个数的字符
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repeat: function (ch, repeatTimes) {
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let result = "";
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for (let i = 0; i < repeatTimes; i++) {
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result += ch;
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}
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return result;
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},
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deleteWhitespace: function (input) {
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return input.replace(/\s+/g, '');
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},
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rightPad: function (input, size, padStr) {
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return input + this.repeat(padStr, size);
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},
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leftPad: function (input, size, padStr) {
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return this.repeat(padStr, size) + input;
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},
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//首小写字母转大写
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capitalize: function (input) {
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let strLen = 0;
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if (input == null || (strLen = input.length) === 0) {
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return input;
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}
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return input.replace(/^[a-z]/, function (matchStr) {
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return matchStr.toLocaleUpperCase();
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});
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},
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//首大写字母转小写
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uncapitalize: function (input) {
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let strLen = 0;
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if (input == null || (strLen = input.length) === 0) {
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return input;
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}
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return input.replace(/^[A-Z]/, function (matchStr) {
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return matchStr.toLocaleLowerCase();
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});
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},
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//大写转小写，小写转大写
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swapCase: function (input) {
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return input.replace(/[a-z]/ig, function (matchStr) {
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if (matchStr >= 'A' && matchStr <= 'Z') {
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return matchStr.toLocaleLowerCase();
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} else if (matchStr >= 'a' && matchStr <= 'z') {
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return matchStr.toLocaleUpperCase();
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}
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});
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},
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//统计含有的子字符串的个数
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countMatches: function (input, sub) {
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if (this.isEmpty(input) || this.isEmpty(sub)) {
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return 0;
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}
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let count = 0;
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let index = 0;
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while ((index = input.indexOf(sub, index)) !== -1) {
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index += sub.length;
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count++;
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}
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return count;
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},
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//只包含字母
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isAlpha: function (input) {
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return /^[a-z]+$/i.test(input);
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},
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//只包含字母、空格
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isAlphaSpace: function (input) {
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return /^[a-z\s]*$/i.test(input);
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},
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//只包含字母、数字
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isAlphanumeric: function (input) {
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return /^[a-z0-9]+$/i.test(input);
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},
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//只包含字母、数字和空格
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isAlphanumericSpace: function (input) {
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return /^[a-z0-9\s]*$/i.test(input);
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},
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//数字
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isNumeric: function (input) {
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return /^(?:[1-9]\d*|0)(?:\.\d+)?$/.test(input);
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},
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//小数
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isDecimal: function (input) {
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return /^[-+]?(?:0|[1-9]\d*)\.\d+$/.test(input);
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},
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//负小数
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isNegativeDecimal: function (input) {
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return /^\-?(?:0|[1-9]\d*)\.\d+$/.test(input);
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},
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//正小数
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isPositiveDecimal: function (input) {
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return /^\+?(?:0|[1-9]\d*)\.\d+$/.test(input);
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},
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//整数
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isInteger: function (input) {
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return /^[-+]?(?:0|[1-9]\d*)$/.test(input);
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},
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//正整数
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isPositiveInteger: function (input) {
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return /^\+?(?:0|[1-9]\d*)$/.test(input);
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},
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//负整数
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isNegativeInteger: function (input) {
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return /^\-?(?:0|[1-9]\d*)$/.test(input);
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},
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//只包含数字和空格
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isNumericSpace: function (input) {
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return /^[\d\s]*$/.test(input);
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},
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isWhitespace: function (input) {
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return /^\s*$/.test(input);
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},
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isAllLowerCase: function (input) {
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return /^[a-z]+$/.test(input);
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},
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isAllUpperCase: function (input) {
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return /^[A-Z]+$/.test(input);
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},
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defaultString: function (input, defaultStr) {
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return input == null ? defaultStr : input;
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},
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defaultIfBlank: function (input, defaultStr) {
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return this.isBlank(input) ? defaultStr : input;
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},
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defaultIfEmpty: function (input, defaultStr) {
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return this.isEmpty(input) ? defaultStr : input;
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},
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//字符串反转
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reverse: function (input) {
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if (this.isBlank(input)) {
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input;
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}
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return input.split("").reverse().join("");
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},
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//删掉特殊字符(英文状态下)
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removeSpecialCharacter: function (input) {
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return input.replace(/[!-/:-@\[-`{-~]/g, "");
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},
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//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[ -~]）
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isSpecialCharacterAlphanumeric: function (input) {
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return /^[!-~]+$/.test(input);
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},
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/**
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* 校验时排除某些字符串，即不能包含某些字符串
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* @param {Object} conditions:里面有多个属性，如下：
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*
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* @param {String} matcherFlag 匹配标识
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* 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;
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* 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；
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* 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；
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* 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；
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* 100：所有字符;
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* @param {Array} excludeStrArr 排除的字符串，数组格式
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* @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
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* @param {Boolean} ignoreCase 是否忽略大小写
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* conditions={matcherFlag:"0",excludeStrArr:[],length:"",ignoreCase:true}
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*/
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isPatternMustExcludeSomeStr: function (input, conditions) {
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//参数
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const matcherFlag = conditions.matcherFlag;
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const excludeStrArr = conditions.excludeStrArr;
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const length = conditions.length;
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const ignoreCase = conditions.ignoreCase;
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//拼正则
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const size = excludeStrArr.length;
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let regex = (size === 0) ? "^" : "^(?!.*(?:{0}))";
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let subPattern = "";
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for (let i = 0; i < size; i++) {
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excludeStrArr[i] = Bee.StringUtils.escapeMetacharacterOfStr(excludeStrArr[i]);
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subPattern += excludeStrArr[i];
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if (i !== size - 1) {
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subPattern += "|";
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}
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}
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regex = this.format(regex, [subPattern]);
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switch (matcherFlag) {
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case '0':
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regex += "\\d";
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break;
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case '1':
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regex += "[a-zA-Z]";
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break;
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case '2':
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|
|
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 += "$";
|
|||
|
|
const 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) {
|
|||
|
|
const pattern = new RegExp("([a-z])\\1+", ignoreCase ? "ig" : "g");
|
|||
|
|
return 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
|
|||
|
|
const matcherFlag = conditions.matcherFlag;
|
|||
|
|
const containStrArr = conditions.containStrArr;
|
|||
|
|
const length = conditions.length;
|
|||
|
|
const ignoreCase = conditions.ignoreCase;
|
|||
|
|
//创建正则
|
|||
|
|
const size = containStrArr.length;
|
|||
|
|
let regex = "^";
|
|||
|
|
let subPattern = "";
|
|||
|
|
for (let 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 += "$";
|
|||
|
|
const pattern = new RegExp(regex, ignoreCase ? "i" : "");
|
|||
|
|
return pattern.test(input);
|
|||
|
|
},
|
|||
|
|
//中文校验
|
|||
|
|
isChinese: function (input) {
|
|||
|
|
return /^[\u4E00-\u9FA5]+$/.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) {
|
|||
|
|
const metacharacter = "^$()*+.[]|\\-?{}|";
|
|||
|
|
if (metacharacter.indexOf(input) >= 0) {
|
|||
|
|
input = "\\" + input;
|
|||
|
|
}
|
|||
|
|
return input;
|
|||
|
|
},
|
|||
|
|
//转义字符串中的元字符
|
|||
|
|
escapeMetacharacterOfStr: function (input) {
|
|||
|
|
return input.replace(/[\^\$\*\+\.\|\\\-\?\{\}\|]/gm, "\\$&");
|
|||
|
|
}
|
|||
|
|
};
|