Mimicking the .Net string format.

javascript-string-format.js

/*
This will format a string mimicking the .Net string format.
ie: format('test {0} - {1}', 'value 1', 'value 2'); 
*/
function format(value) {
    var args = Array.prototype.slice.call(arguments, 1);
    return value.replace(/{(\d+)}/g, function (match, number) {
        return typeof args[number] != 'undefined'
          ? args[number]
          : match
        ;
    });
}