Re^6: You won't believe what this regular expression does!

> No, the intent is to ensure that the string ends in just one o, no less, no more than one.

And how did you solve it in the end?

...

You won't believe how I did this!

  DB<39>  $_="/foo\n/foo/\n/foo/////"

  DB<40> say "$_ --> ",s(/*$)(/)r for split /\n/
/foo --> /foo/
/foo/ --> /foo/
/foo///// --> /foo/
[download]

;-P

Cheers Rolf
_{(addicted to the Perl Programming Language :)

Wikisyntax for the Monastery}

Comment on Re^6: You won't believe what this regular expression does! Download Code

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Re^7: You won't believe what this regular expression does! by salva (Canon) on Feb 26, 2021 at 14:23 UTC
`"hello\nhell\nhelloooo\nhello" =~ s/o+$//gmr =~ s/$/o/gmr`	[reply] [d/l]