Nodejs String Split splitByNum(num)

Method Source Code

String.prototype.splitByNum = function(num){
   return this.split('').reduce((a,b)=>{
      const alen = a[a.length-1]
      alen.length%2==0&&alen.length!=0?a.push(b):a[a.length-1] = alen+b+''
      return a/*from www  .  j av a 2  s  .c  o  m*/
   },[''])
}

Related

1. split2(s)

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

2. 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;
   

3. splitAndTrim($delimiter, $limit)

   String.prototype.splitAndTrim = function ($delimiter, $limit) {
     var $ss = this.split($delimiter, $limit);
     for (var $i = 0; $i < $ss.length; $i++) {
       $ss[$i] = $ss[$i].trim();
     return $ss;
   };
   

4. splitBy()

   String.prototype.splitBy = function(){
     return splitAll(this, Array.slice(arguments));
   };
   

5. splitBy(delimiter)

   String.prototype.splitBy = function (delimiter) {
     var 
       delimiterPATTERN = '(' + delimiter + ')', 
       delimiterRE = new RegExp(delimiterPATTERN, 'g');
     return this.split(delimiterRE).reduce((chunks, item) => {
       if (item.match(delimiterRE)){
         chunks.push(item)
       } else {
         chunks[chunks.length - 1] += item
   ...
   

6. splitChars(len)

   String.prototype.splitChars = function(len) {
   a = this.split('');
   res = [];
   i = 0;
   [].forEach.call(a, function(b, c) {
     if (c % len == 0) {
       i++;
       res.push([])
     res[i - 1].push(b);
   });
   f = [];
   res.forEach(function(d) {
     f.push(d.join(''));
     return true;
   });
   g =f.join('\n');
   return g;
   };
   

7. splitFirst(separator)

   String.prototype.splitFirst = function (separator) {
       var si = this.split(separator);
       var output = [];
       output.push(si[0]);
       if (si.length>1) {
           si.shift();
           output.push(si.join(separator));
       return output;
   ...
   

8. splitFirst(x)

   String.prototype.splitFirst = function(x){
     var index = this.indexOf(x);
     return [
       this.substring(0, index),
       this.substring(index + x.length)
     ]
   };
   

9. splitLast(separator)

   String.prototype.splitLast = function(separator) {
       var si = this.split(separator);
       var output = [];
       var last = si.pop();
       if (si.length > 0) {
           output.push(si.join(separator));
       if (last) {
           output.push(last);
   ...