Slack /s with regex and substitution

slack_sed.js

TS.utility.msgs.wordReplace = function (text, replace_object) {
    if(!replace_object){
        return text;
    }
    var rx_opts = (replace_object.g ? "g" : "") + (replace_object.i ? "i" : "");
    var rx = new RegExp(replace_object.str, rx_opts);
    return text.replace(rx, replace_object.rpl.replace(/\\(\d+)/g, "$$1"));
};