Nodejs String Format format()

Method Source Code

String.format = function () {
    var s = arguments[0];
    for (var i = 0; i < arguments.length - 1; i++) {
        var reg = new RegExp("\\{" + i + "\\}", "gm");
        s = s.replace(reg, arguments[i + 1]);
    }//from   ww w  . j  a  v  a2  s . c o  m
    return s;
}

String.prototype.format = function () {
    var s = this;
    for (var i = 0; i < arguments.length; i++) {
        var reg = new RegExp("\\{" + i + "\\}", "gm");
        s = s.replace(reg, arguments[i]);
    }
    return s;
};
String.prototype.format.regex = new RegExp("{-?[0-9]+}", "g");

String.prototype.endsWith = function (suffix) {
    return (this.substr(this.length - suffix.length) === suffix);
}

String.prototype.startsWith = function (prefix) {
    return (this.substr(0, prefix.length) === prefix);
}

String.prototype.replaceAll = function (find, replace) {
    var str = this;
    while( str.indexOf(find) > -1 ){
        str = str.replace(find, replace);
    }
    return str;
}

Related

1. format()

   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) {
   ...
   

2. format()

   '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");
   ...
   

3. format()

   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) { 
   ...
   

4. format()

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

5. format()

   String.prototype.format = function() {
       var args = arguments;
       return this.replace(/\{(\d+)\}/g,
           function(m, i) {
               return args[i];
           });
   };
   String.prototype.encodeHTML = function () {
       var s = this.valueOf();
   ...
   

6. format()

   String.prototype.format = function () {
       var args = arguments;
       var reg = /\{(\d+)}/g;
       return this.replace(reg, function (g0, g1) {
           return args[+g1];
       });
   };
   var str = "this is :{0} and {1} , and  {0}".format("arg1","arg2")
   var main = "Scripts/main";
   ...
   

7. format()

   String.prototype.format = function(){    
     var re_all = /{(\d+)?(:(\d+)?(.\d+?f))?}/g;
     var re_index = /(\d+):/;
     var re_before = /(\d+)\./;
     var re_after = /\.(\d+)/;
     var cur = this;
     var matches = cur.match(re_all);
     if (arguments.length > matches){
       console.log("Too many arguments!");
   ...
   

8. format()

   String.prototype.format = function() {
     var txt = this;
     var i = arguments.length;
     var replaceTokens = function(txt, key, value) {
       return txt.replace(new RegExp('\\{' + key + '\\}', 'gm'), value);
     };
     if(i > 0 && typeof(arguments[0]) == "object") { 
       for(var key in arguments[0]) {
         txt = replaceTokens(txt, key, arguments[0][key]);
   ...
   

9. format()

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