| 123456789101112 | var getQuery = require('./getQuery');    /**     * Checks if query string contains parameter.     */    function contains(url, paramName) {        var regex = new RegExp('(\\?|&)'+ paramName +'=', 'g'); //matches `?param=` or `¶m=`        return regex.test(getQuery(url));    }    module.exports = contains;
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