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Re^2: regex gotcha moving from 5.8.8 to 5.30.0?

by AnomalousMonk (Archbishop)
on Feb 10, 2021 at 03:48 UTC ( [id://11128164]=note: print w/replies, xml ) Need Help??


in reply to Re: regex gotcha moving from 5.8.8 to 5.30.0?
in thread regex gotcha moving from 5.8.8 to 5.30.0?

There may be a way to do it without all the backrefs.

I don't understand. There don't seem to be any backreferences in any of the regexes presented so far. Can you please clarify?

Give a man a fish:  <%-{-{-{-<

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Re^3: regex gotcha moving from 5.8.8 to 5.30.0?
by kschwab (Vicar) on Feb 10, 2021 at 03:54 UTC
    Bad terminology. I mean the \G having to refer back to the last match.
[reply]
      ... \G having to refer back to the last match.

      IIUC, the \G anchor refers to the pos of the string against which the match is being attempted (the pos from a previous, unsuccessful match attempt having been preserved by the /c modifier), and so should should be pretty cheap/quick. Is your experience otherwise?

      Give a man a fish:  <%-{-{-{-<

[reply]
[d/l]
[select]
        No, but it's a regression, and seems to be narrowed down somewhere in: 
        $text =~ /\G \s* ^ \s* begfoo \s+ (\S+?) \s* \( \s* (.*?) \s
+* \) \s* ;/gcmsx

        [download]
        And it sounds like replacing .*? with [^;]*? was tried.
[reply]
[d/l]

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