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Date: Sat, 4 Jul 2026 13:55:54 +0200
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Subject: Re: Issue with Bash RegEx Handling
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Am 04.07.2026 um 03:32 schrieb Annihilannic via Cygwin:
> Firstly, why is =~ completely undocumented in the bash man page?  This 
> question was my first encounter with the feature.

Because it's not --- not undocumented, that is.  Manpage search can't 
seem to find it, but it _is_ there.

Just search for '==' instead, then go one paragraph down.

> Secondly, why does quoting the expression invalidate it?

I suspect that's because the manual actually says it does.   As I'm 
reading it, they're (ab)using quotation to mean "this is not meant to be 
a regex, but rather a straight text search pattern"


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