~~~ /** * 字符串替换为 * * @param str 字符串 * @param regArr 字符串格式 * @param type 替换方式 * @param ARepText 替换字符串 （默认为*） * @returns {XML|string|void} 结果 */ function replaceStr(str, regArr, type, ARepText) { let regtext = '', Reg = null, replaceText = ARepText || '*'; //replaceStr('18819322663',[3,5,3],0) //188*****663 //repeatStr是在上面定义过的（字符串循环复制），大家注意哦 if (regArr.length === 3 && type === 0) { regtext = '(\\w{' + regArr[0] + '})\\w{' + regArr[1] + '}(\\w{' + regArr[2] + '})' Reg = new RegExp(regtext); let replaceCount = repeatStr(replaceText, regArr[1]); return str.replace(Reg, '$1' + replaceCount + '$2') } //replaceStr('asdasdasdaa',[3,5,3],1) //***asdas*** else if (regArr.length === 3 && type === 1) { regtext = '\\w{' + regArr[0] + '}(\\w{' + regArr[1] + '})\\w{' + regArr[2] + '}' Reg = new RegExp(regtext); let replaceCount1 = repeatSte(replaceText, regArr[0]); let replaceCount2 = repeatSte(replaceText, regArr[2]); return str.replace(Reg, replaceCount1 + '$1' + replaceCount2) } //replaceStr('1asd88465asdwqe3',[5],0) //*****8465asdwqe3 else if (regArr.length === 1 && type == 0) { regtext = '(^\\w{' + regArr[0] + '})' Reg = new RegExp(regtext); let replaceCount = repeatSte(replaceText, regArr[0]); return str.replace(Reg, replaceCount) } //replaceStr('1asd88465asdwqe3',[5],1,'+') //"1asd88465as+++++" else if (regArr.length === 1 && type == 1) { regtext = '(\\w{' + regArr[0] + '}$)' Reg = new RegExp(regtext); let replaceCount = repeatSte(replaceText, regArr[0]); return str.replace(Reg, replaceCount) } } ~~~