Nodejs Utililty Methods String Trim

String.prototype.Trim = function( aimStr )
    var str = this;
    var re = My.RegExp.InvolvedCharsRegExp;
    var reStart, reEnd;
    if ( aimStr )
        aimStr = aimStr.replace( re, '\\$1' );
        reStart = new RegExp( '^(' + aimStr + ')+' );
...

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

String.prototype.Trim = function() {
  return this.lTrim().rTrim();
};

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

String.prototype.Trim = function() 
  var m = this.match(/^\s*(\S+(\s+\S+)*)\s*$/);  
  return (m == null) ? "" : m[1];  

String.prototype.Trim = function(charlist) {
  return this.lTrim(charlist).rTrim(charlist);
};