I am not sure why your code seems to work.

It works because \[ is just an escaped [, so tr/\[A-Z]/[a-z]/ is translating [ to [, ] to ], and uppercase to lowercase. Any other character, e.g., \, is unaffected.

Give a man a fish:  <%-{-{-{-<

In reply to Re^5: Problem with regex wildcard operator (.)...? by AnomalousMonk
in thread Problem with regex wildcard operator (.)...? by sbrothy

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