CODE EXAMPLE FOR JAVASCRIPT

javascript linkify string text

if(!String.linkify) {
    String.prototype.linkify = function() {

        // http://, https://, ftp://
        var urlPattern = /(?:https?|ftp)://[a-z0-9-+&@#/%?=~_|!:,.;]*[a-z0-9-+&@#/%=~_|]/gim;

        // www. sans http:// or https://
        var pseudoUrlPattern = /(^|[^/])(www.[S]+(|$))/gim;

        // Email addresses
        var emailAddressPattern = /[w.]+@[a-zA-Z_-]+?(?:.[a-zA-Z]{2,6})+/gim;

        return this
            .replace(urlPattern, '<a href="$&">$&</a>')
            .replace(pseudoUrlPattern, '$1<a href="http://$2">$2</a>')
            .replace(emailAddressPattern, '<a href="mailto:$&">$&</a>');
    };
}