Syntx highlighting not working properly for PERL

[Aranad]

I notice that many of my scripts in PERL have problems with the syntax highlighting, usually where there's regex involved, e.g.

[jolheiser]

This is likely due to our use of highlight.js
It may (or may not) be mitigated by switching to another highlighter.

Related: #7729

[silverwind]

Please show an example on https://try.gitea.io/.

[Aranad]

Ok thanks I added a couple of examples here.

[silverwind]

It is detected properly as perl source (seen in HTML <code class="perl hljs">), so it is very likely a bug in highlight.js.

[stale]

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