Posted By

metoikos on 11/29/10

Tagged

regex
javascript
format
python

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Last Edited at 11/29/10 06:56am

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Python like string formatting in javascript

/ Published in: JavaScript

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/* Python(ish) string formatting:
     * >>> format('{0}', ['zzz'])
     * "zzz"
     * >>> format('{x}', {x: 1})
     * "1"
     */
    function format(s, args) {
        var re = /\{([^}]+)\}/g;
        return s.replace(re, function(_, match){ return args[match]; });
    }