Nodejs Utililty Methods String Format

String.prototype.format = String.prototype.format = function() {
  var s = this,
    i = arguments.length;
  while (i--) {
    s = s.replace(new RegExp('\\{' + i + '\\}', 'gm'), arguments[i]);
  return s;
};

define(function () {
    return {
        currentDate: function () {
            var date = new Date();
            var dd = date.getDate();
            var mm = date.getMonth() + 1;
            var yyyy = date.getFullYear();
            var hh = date.getHours();
            var MM = date.getMinutes();
...

String.prototype.format = function () {
    var o = Array.prototype.slice.call(arguments);
    return this.replace(/{([^{}]*)}/g,
        function (match, capture) {
            var r = o[capture];
            return (typeof r === 'string' || typeof r === 'number') ? r : match;
    );
};
...

String.prototype.format = function() {
  var args = arguments;
  return this.replace(/\{(\d+)\}/g, function(orig,num) {
    return typeof args[num] != 'undefined' ? args[num] : orig;
  });
};

String.prototype.format = function() {
    var args = arguments;
    return this.replace(/{(\d+)}/g, function(match, number) {
        return typeof args[number] != 'undefined' ? args[number] : match;
    });
};

String.prototype.format = function() {
  var placeholderREG = /\{(\d+)\}/g;
  var args = arguments;
  return this.replace(placeholderREG, function(holder, num) {
    return args[num];
  });

String.prototype.format = function() {
  var formatted = this;
  for( var arg in arguments ) {
    formatted = formatted.replace("{" + arg + "}", arguments[arg]);
  return formatted;
};
function assert(condition, msg) {
  if (!condition) {
...

'use strict';
String.prototype.format = function () {
  var args = arguments;
  return this.replace(/\{(\d+)\}/g, function (m, n) {
    return args[n];
  });
};
String.prototype.escapeRegExp = function () {
  return this.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
...

String.prototype.format = function() {
  var source = this;
  for (var i = 0; i <= arguments.length - 1; i++) {       
    var reg = new RegExp("\\{" + i + "\\}", "gm");             
    source = source.replace(reg, arguments[i]);
  return source;
};
Date.prototype.format = function (fmt) { 
...

String.prototype.format = function() {
  var formatted = this;
  for (arg in arguments) {
    formatted = formatted.replace('{' + arg + '}', arguments[arg]);
  return formatted;
};