Nodejs String Split split(separator, nbr)

Method Source Code

String.prototype.split = function(separator, nbr) {
   var results = [];
   var pt = "";
   var ct = 0;//w  w  w.j a v  a 2 s . c o m
   for (var i = 0, len = this.length; i < len; i++) {
      if (this[i] == separator) {
         results.push(pt);
         pt = ""; ct++;
         if (nbr && ct >= nbr) {
            separator = "";
         }
      } else {
         pt += this[i];
      }
   }
   results.push(pt);
   
   return results;
};

Related

1. split140chars()

   String.prototype.split140chars = function(){
     const results = [ "" ];
     for(let line of this.split(/[\r\n]/)){
       if(results[0].length + line.length + 1 > 140){
         results.unshift("");
       if(results[0].length > 0) results[0] += "\n";
       results[0] += line;
     return results.reverse();
   };
   

2. split2(a, b)

   String.prototype.split2 = function(a, b) {
     var lines = this.split(a);
       for (var i = 0; i < lines.length; i++)
           lines.splice.apply(lines, [i, 1].concat(lines[i].split(b)));
       return lines;
   };
   String.prototype.lines = function() {
     return this.split2('\r', '\n');
   };
   ...
   

3. split2(s)

   String.prototype.split2 = function(s) {
       var rg = this.split(s);
       if ((rg.length == 1) && (rg[0] === ''))
           return [];
       return rg;
   };
   

4. splitANArguments()

   String.prototype.splitANArguments = function(){
     var r = [];
     var t = '';
     var isQuote = false;
     for(var i = 0; i < this.length; i++){
       if(!isQuote && this.charAt(i) == ' '){
         r.push(t);
         t = '';
       else{
         if(this.charAt(i) == '"'){
           t += this.charAt(i);
           isQuote = !isQuote;
         else{
           t += this.charAt(i);
     r.push(t);
     return r;