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Sprintf in Javascript (string format)

/ Published in: JavaScript
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Example:

`var result = "Hello {0}! This is {1}.".format("world","foo bar");`

Returns:

`"Hello World! This is foo bar."`

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  1. String.prototype.format = function(){
  2.     var pattern = /\{\d+\}/g;
  3.     var args = arguments;
  4.     return this.replace(pattern, function(capture){ return args[capture.match(/\d+/)]; });
  5. }

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