Nodejs String Trim Left ltrim()

Method Source Code

String.prototype.ltrim = function(){
    var res = this;
    while (res.substring(0, 1) == " ") {
        res = res.substring(1, res.length);
    }//from  w w  w . j a  v a  2  s .c om
    return res;
}

Related

1. ltrim()

   String.prototype.ltrim = function() {
     return this.replace(/(^\s*)/g, "");
   

2. ltrim()

   String.prototype.ltrim = function() {
     return this.replace(/^\s+/,'');
   

3. ltrim()

   String.prototype.ltrim = function(){
     return this.replace(/\s+$/, "");
   };
   

4. ltrim()

   String.prototype.ltrim = function(){
     return this.replace(/^\s+/, "");
   };
   

5. ltrim()

   String.prototype.ltrim = function()
     return this.replace( /^\s*/g, '' ) ;
   

6. ltrim()

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

7. ltrim(ch)

   String.prototype.ltrim = function(ch) {
       var r = new RegExp("^{0}+".format(ch || "\\s"));
       return this.replace(r, "");
   };
   

8. ltrim(charlist)

   String.prototype.ltrim = function (charlist) {
     charlist = !charlist ? ' \\s\u00A0' : (charlist + '').replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
     var re = new RegExp('[' + charlist + ']+$', 'g');
     return this.replace(re, '');
   };
   

9. trimLeft()

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