Nodejs String Remove removeSubstring(a, n)

Method Source Code

String.prototype.removeSubstring = function (a, n) {
   var arr = [];/*w  w w .java 2  s  .c  o  m*/
   arr = str.split('');
   arr.sort();

   //console.log(arr);
   console.log("oldStr = '" + str + "'");

   var count = 0;

   for (var i = 0; i < arr.length; i++) {
      if( n != null ) {
         if(arr[i] === a)
            arr.splice(i, n)
            i = arr.length;
      } else {
         while(arr[i] === a) {
            arr.splice(i, 1)
         }
      }
   }
   //console.log(arr);
   var tostring = arr.join('');
   console.log("newStr = '" + tostring + "'");
}

var str = 'aaa';

var newStr1 = str.removeSubstring('a', 2); // newStr = 'a'

var str = 'aaabbbba';

var newStr2 = str.removeSubstring('a'); // newStr = 'bbbb'

Related

1. removeSpaces()

   String.prototype.removeSpaces = function() {
     return this.replace(/\s+/g, '');
   };
   String.prototype.hashCode = function(){
     var hash = 0;
       if (this.length == 0) return hash;
       for (var i = 0; i < this.length; i++) {
           char = this.charCodeAt(i);
           hash = ((hash<<5)-hash)+char;
   ...
   

2. removeSpaces()

   String.prototype.removeSpaces = function() {
     return this.replace(/\s+/g, '');
   };
   

3. removeSpacesAndToLower()

   String.prototype.removeSpacesAndToLower = function () {
     return this.replace(/\s+/g, '-').toLowerCase();
   

4. removeSpecialCharacter()

   String.prototype.removeSpecialCharacter = function(){
     return this.replace(/[^a-zA-Z0-9_]/g, '');
   

5. removeSubstring(a, b)

   String.prototype.removeSubstring = function(a, b){
     var array = this.split("");
     var w = 0;
     var str = [];
     if (b !== undefined){
       array.forEach(function (elm) {
             if (elm === a & w < b){
               w += 1;
             } else {
   ...
   

6. removeSubstring(arg1, b)

   String.prototype.removeSubstring = function(arg1, b) {
     if (b) {
       var temp = arg1;
       for(var i=1;i<b;i++) {
         arg1 += temp;
     return this.replace(new RegExp(arg1, 'g'), '');
   var str1 = 'aaa';
   var newStr1 = str1.removeSubstring('a', 2);
   console.log(newStr1);
   var str2 = 'aaabbb';
   var newStr2 = str2.removeSubstring('a');
   console.log(newStr2);
   

7. removeSubstring(char,occurance)

   String.prototype.removeSubstring = function(char,occurance) 
     var temp='';
     if(occurance==undefined)
       for (var i = 0; i < this.length; i++) 
         if(char!==this[i])
           temp+=this[i];
     else
       var flag = true;
       var ct=parseInt("0");
       for (var i = 0; i < this.length ; i++) 
         if(char===this[i])
           ct++;
           flag=(ct===parseInt(occurance))?false:true;
         else
           temp+=this[i];
         if(!flag)
           temp+=this.substr(i+1,this.length);
           return temp;
     return temp;
   };
   var str1 = 'aaa';
   console.log(str1.removeSubstring('a', 2)); 
   var str2 = 'aaabbbb'; 
   console.log(str2.removeSubstring('a'));
   

8. removeSubstring(start, length)

   String.prototype.removeSubstring = function(start, length) {
       return this.substr(0, start) + this.substr(start + length);
   };
   

9. removeTrailingSlash()

   String.prototype.removeTrailingSlash = function() {
     if(this.endsWith('/')) {
       return this.substring(0, this.length-1);
     return this;