devextreme-showdown/test/features/underline/simple.html

A Markdown to HTML converter written in Javascript

<p>this is <u>underlined</u> word</p>
<p><u>an underlined sentence</u></p>
<p><u>three underscores are fine</u></p>
<p>_single_ underscores are left alone</p>
<p><u>multiple</u> underlines in a <u>paragraph</u></p>