Nodejs String Sub String subStrings()

Method Source Code

String.prototype.subStrings = function () {
  var subs = [];//from w w w  . j  av  a  2 s  .c o m

  for (var i = 0; i < this.length; i++) {
    for (var j = i+1; j <= this.length; j++) {
      subs.push(this.slice(i,j));
    };
  };

  var sorted = subs.sort();
  var uniques = [sorted[0]];

  for(var i = 1; i < sorted.length; i++) {
    if(sorted[i] !== sorted[i-1]) {
      uniques.push(sorted[i]);
    };
  };

  return uniques;
};

Related

1. subString()

   String.prototype.subString = function(){
       var arr = [];
       for(var i = 0; i < this.length; i++){
           for(var j = i + 1; j < this.length + 1; j++){
               arr.push(this.slice(i, j));
       return arr;
   console.log("dog".subString());
   

2. subString()

   String.prototype.subString = function()   
     var subset = [];  
     for (var m = 0; m < this.length; m++)   
       for (var n = m+1; n<this.length+1; n++)   
         subset.push(this.slice(m,n));  
     return subset;  
   };  
   console.log("dog".subString());
   

3. subStringCounter(searchString)

   var text = 'this is  test test test we in are is';
   String.prototype.subStringCounter = function (searchString) {
       var position = 0,
           counter = 0;
       searchString = searchString.toLowerCase();
       while (this.indexOf(searchString, position) >= 0) {
           counter += 1;
           position = this.toLowerCase().indexOf(searchString, position) + 1;
       return counter;
   };
   console.log(text.subStringCounter('in'));
   console.log(text.subStringCounter('we'));
   

4. subStrings()

   String.prototype.subStrings = function () {
     var substrings = [];
     for (var i = 0; i < this.length ; i++) {
       for (var j = i+1; j <= this.length; j++) {
         substrings.push(this.slice(i,j));
       };
     };
     return substrings;
   };
   ...
   

5. subStrings()

   String.prototype.subStrings = function () {
     var subs = [];
     for (var i = 0; i < this.length; i++) {
       for (var j = i + 1; j < this.length; j++) {
         subs.push(this.slice(i, (j + 1)));
     return subs;
   };
   ...
   

6. subStrings()

   String.prototype.subStrings = function () {
     result = [];
     for (var beginning = 0; beginning < this.length; beginning++) {
       for (var end = beginning + 1; end < this.length + 1; end++) {
         result.push(this.slice(beginning, end));
     return result
   var a = "cat";
   var b = a.subStrings();
   console.log(b);
   

7. subStrings()

   String.prototype.subStrings = function(){
     const substringArray = [];
     for (var i = 0; i < this.length; i++){
       for (var j = i; j < this.length; j++){
         let substring = this.slice(i,j+1);
         if (!substringArray.includes(substring)){
           substringArray.push(substring);
     return substringArray;
   console.log("abc".subStrings());
   

8. subStrs()

   String.prototype.subStrs = function() {
     var output = [];
     for( var i = 0; i < this.length; i++ ) {
       for( var j = 0; j <= this.length; j++ ) {
         if(i < j) {
           output.push(this.substring(i,j));
       };
     };
   ...
   

9. subst(replacements)

   String.prototype.subst = function(replacements) {
       return this.replace(/%[A-Z][A-Z0-9_]+%/g, function (placeholder) {
           return placeholder in replacements ? replacements[placeholder] : placeholder;
       });
   };