<ol>
<li>This is the same in almost all regex flavors (for historical reasons), so for consistency reasons I think it's better to keep an available "multi-line" option, rather than to make the user wonder, or to go to the documentation to find it out.<br>
See also: <a href="https://www.regular-expressions.info/dot.html" rel="nofollow">https://www.regular-expressions.info/dot.html</a></li>
<li>If you want to search just for some non-printing characters like tab or newline, you can just enable the "Use escape sequences" option.</li>
<li>If, besides that, you need the full regex capability, you could just enable the "Use multi-line matching" option once and it will remain enabled until you disable it.</li>
</ol>

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