Nodejs String Trim Left TrimStart( aimStr )

Method Source Code

String.prototype.TrimStart = function( aimStr )
{
    var str = this;
    var re = My.RegExp.InvolvedCharsRegExp;
    var reStart;//  ww  w.  ja v  a 2  s.c om
    if ( aimStr )
    {
        aimStr = aimStr.replace( re, '\\$1' );
        reStart = new RegExp( '^(' + aimStr + ')+' );
    }
    else reStart = /^\s+/;
    str = str.replace( reStart, '' );
    return str;
};

Related

1. lTrim(charlist)

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

2. leftTrim()

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

3. leftTrim()

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

4. leftTrim()

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

5. lefttrim( )

   String.prototype.lefttrim = function( )
     return( this.replace(new RegExp("^[\\s]+", "gm"), "") );
   };
   

6. LTrim()

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

7. LTrim()

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