Nodejs Utililty Methods String Replace

String.prototype.replaceAll = function(replacedText, replaceText){
  return this.replace(new RegExp(replacedText, 'gm'), replaceText)

String.prototype.replaceAll = function(s1, s2) {
    return this.replace(new RegExp(s1, "gm"), s2)

String.prototype.replaceAll = function(s1, s2) {
    return this.replace(new RegExp(s1, "gm"), s2); 
};
String.prototype.replaceAll2Excep = function(s1, s2) {
    var temp = this;
    while (temp.indexOf(s1) != -1) {
        temp = temp.replace(s1, s2);
    return temp;
...

String.prototype.replaceAll = function (search, replace) {
    var string        = this,
        replaceLength = replace.length,
        searchLength  = search.length,
        start         = string.indexOf(search);
    while (start !== -1) {
        string = string.substring(0, start) + replace + string.substring(start + search.length);
        start  = string.indexOf(search, start + replaceLength);
    return string;
};

String.prototype.replaceAll = function(search, replace)
    if(!replace) 
        return this;
    return this.replace(new RegExp('[' + search + ']', 'g'), replace);
};
trim11 = function (str) {
    str = str.replace(/^\s+/, '');
    for (var i = str.length - 1; i >= 0; i--) {
...

String.prototype.replaceAll = function(search, replace) {
    if (replace === undefined) {
        return this.toString();
    return this.split(search).join(replace);

String.prototype.replaceAll = function (search, replace) {
  return this.replace(new RegExp(search, 'g'), replace);
};
String.prototype.ltrim = function () {
  return this.replace(/^\s+/,"");
};
String.prototype.rtrim = function () {
  return this.replace(/\s+$/,"");
};
...

String.prototype.replaceAll = function (search, replace) {
    if (replace === undefined) {
        return this.toString();
    return this.replace(new RegExp('[' + search + ']', 'g'), replace);
};

String.prototype.replaceAll = function (search, replace) {
    'use strict';
    return this.split(search).join(replace);
};

String.prototype.replaceAll = function(search, replace){
  return this.split(search).join(replace);