[Koha-bugs] [Bug 29781] Allow item batch modification to use capturing groups in regex option

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=29781

Martin Renvoize <martin.renvoize at ptfs-europe.com> changed:

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--- Comment #4 from Martin Renvoize <martin.renvoize at ptfs-europe.com> ---
Created attachment 129529
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=129529&action=edit
Bug 29781: Enable capture groups in batch item modification

This patch adds support for regular expression capture groups in
MarcModificationTemplates.

We escape double quotes in the replacement string, then quote the whole
string before applying the `ee` modifier to the final regex
application.

See
https://blog.james.rcpt.to/2010/10/25/perl-search-and-replace-using-variables/
for further details.

Test plan
1) Attempt to use capture groups in your regular expression based
   batch item modification and note it does not work.
2) Apply the patch and try again, this time the capture group
   should yield the expected results.
3) Run t/SimpleMARC.t and confirm the tests still pass.

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