Namespace comb.regexp

/**
 * Escapes a string
     *
     * @param {String} str the string to escape
     * @param {String} [except] characters to ignore
     *
     * @returns {String} the escaped string
     */
escapeString : function(str, except) {
    return str.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g, function(ch) {
        if (except && except.indexOf(ch) != -1) {
            return ch;
        }
        return "\\" + ch;
    }); 
}

return str.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g, function(ch) {
    if (except && except.indexOf(ch) != -1) {
        return ch;
    }
    return "\\" + ch;
});