Re^3: Regex AND NOT with zero-width negative lookahead assertion

How odd. It works fine exactly as posted for me in Perl 5.20.3. Which Perl version are you using which requires the escape?

Update: also tested successfully on v5.10.1, v5.16.3, v5.26.1 and v5.30.0.

Comment on Re^3: Regex AND NOT with zero-width negative lookahead assertion

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Re^4: Regex AND NOT with zero-width negative lookahead assertion by Your Mother (Archbishop) on Mar 25, 2020 at 14:04 UTC
I believe this works everywhere; certainly does on 5.8. What doesn’t work a lot of the time is syntax highlighting and autoformatting. I end up escaping them sometimes just so I don’t have to deal with that; in certain codebases/c?perl-modes at least.	[reply]
Re^4: Regex AND NOT with zero-width negative lookahead assertion by AnomalousMonk (Archbishop) on Mar 26, 2020 at 03:41 UTC
The `m, ... ,x` match in the OPed code uses the `/x` whitespace/comments modifier; your match does not. (Update: I presume mldvx4 is still using the `/x` modifier.) Give a man a fish: `<%-{-{-{-<`	[reply] [d/l] [select]