Nodejs String Trim Left lTrim()

Method Source Code

String.prototype.lTrim = function(){
   str = this;//from  www .j a  v a 2  s . c o  m
    var i;
    for(i=0;i<str.length;i++)
    {
        if(str.charAt(i)!=" "&&str.charAt(i)!=" ")break;
    }
    str=str.substring(i,str.length);
    return str;
}

Related

1. trimLeft()

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

2. trimLeft()

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

3. trimLeft(character)

   String.prototype.trimLeft = function (character) {
     character = character || ' ';
     return this.replace(new RegExp('^[' + character + ']+'), "");
   };
   

4. trimLeft(charlist = '\s')

   String.prototype.trimLeft = function(charlist = '\s') {
       return this.replace(new RegExp('^[' + charlist + ']+'), '');
   };
   

5. lTrim()

   String.prototype.lTrim = function()
       return this.replace(/(^[\\s]*)/g, "");
   

6. lTrim()

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

7. lTrim()

   String.prototype.lTrim = function () {
     var $whitespace = new String(" \t\n\r");
     if ($whitespace.indexOf(this.charAt(0)) != -1) {
       var $i = this.length;
       var $j = 0;
       while ($j < $i && $whitespace.indexOf(this.charAt($j)) != -1) {
         $j++;
       return this.substring($j, $i);
   ...
   

8. lTrim(charlist)

   String.prototype.lTrim = function(charlist) {
     if (charlist === undefined)
       charlist = "\s";
     return this.replace(new RegExp("^[" + charlist + "]+"), "");
   };
   

9. leftTrim()

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