zregexparse

[Sebastian Gniazdowski <psprint@xxxxxxxxxxx>]

Hello,
I've stumbled upon zregexparse. Verified that it doesn't auto-load zsh/regex. Manual says:

   zregexparse
      This implements some internals of the _regex_arguments function.

Test V02 suggest this is a very capable tool. How it is compiled, with use of LGPL Gnu regex? I wonder what use cases might it have, this test:

  zregexparse p1 p2 abcdef \(  '/c?|?/' '{print $match[1]}' \) \#
  print $? $p1 $p2
0:abcdef ( /c?|?/ {M1} ) #
>a
>b
>cd
>e
>f
>0 6 6

reveals that it can run code for every match. p1 and p2 aren't that clear. Has someone come across a practical use case for this call? It looks like it is safe to use, as it is tested and is not in module, and 4.3.17 has it..?

--
Sebastian Gniazdowski
psprint /at/ zdharma.org