Nodejs String Repeat unrepeat()

Method Source Code

String.prototype.unrepeat = function() {
  var t = String(this)
  // check for 3+ duplicated letters
  while(matches = /(.)\1{2,}/.exec(t)) {
    t = t.replace(matches[0],matches[1])
  }//w  w w.j  a va 2  s  .c o m
  return t;
}

Related

1. repeatifyString.prototype.repeatify || (times)

   String.prototype.repeatify = String.prototype.repeatify || function(times) {
      var str = '';
      for (var i = 0; i < times; i++) {
         str += this;
      return str;
   };
   console.log('hello'.repeatify(3));
   

2. repeatifyString.prototype.repeatify || (times)

   String.prototype.repeatify = String.prototype.repeatify || function(times) {
      let str = '';
      for (let i = 0; i < times; i++) {
         str += this;
      return str;
   };
   console.log('hello'.repeatify(3));  
   

3. repeatrepeat(count)

   String.prototype.repeat = function repeat(count) {
     'use strict';
     if (this === undefined || this === null) {
       throw new TypeError(this + ' is not an object');
     if (count < 0 || count === Infinity) {
       throw new RangeError(count + ' is less than zero or equal to infinity');
     return new Array((parseInt(count, 10) || 0) + 1).join(this);
   ...
   

4. repeatt(count)

   String.prototype.repeatt = function(count) {
       var newText = "";
       for(var i = 0; i < count; i++) {
           newText += this.toString();
       return newText;
   };
   

5. repeatt(times)

   String.prototype.repeatt = function(times) {
     var repeated = '';
     for (var i = 0; i < times; i++) {
       repeated = repeated + this;
     return repeated;
   };