Regular Expressions 101

Explanation
Pro

^start of line

<athe literal text <a (case sensitive)

Group 1((?!title=".*")(\X))*

*repeats the group contents below any number of times:

Negative Lookahead(?!title=".*")

title="the literal text title=" (case sensitive)

.*any character (except for line terminators), repeated any number of times

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2(\X)

\Xone Unicode extended grapheme cluster

Group 3(<\/a>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

a>the literal text a> (case sensitive)

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

^<a((?!title=".*")(\X))*(<\/a>)$

<a href="/kaas/fabriek">Hop</a>
<a href="/kaas/fabriek" title="kaas">Hop</a>
<a 
href="henk" 
title="kaas>
	tekst






</a>