public/scripts/extensions/regex/embeddedScripts.html

<div>
    <h3 data-i18n="This character has embedded regex script(s).">This character has embedded regex script(s).</h3>
    <h3 data-i18n="Would you like to allow using them?">Would you like to allow using them?</h3>
    <div class="m-b-1" data-i18n="If you want to do it later, select 'Regex' from the extensions menu.">If you want to do it later, select "Regex" from the extensions menu.</div>
</div>