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Regex matches in MR

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Ulfhednar:
I have a couple of questions about regex use in MultiRename

(?:[0-9a-z]{30})
should match string:-
0ec4dc9a5ea17339b06d1d0f1b2283
but doesn’t find it whether alone or placed in a longer string.

Test page on regex101.com shows it works in both instances eg:

--- Quote ---(?:[0-9a-z]{30})  /gm
Non-capturing group (?:[0-9a-z]{30})
Match a single character present in the list below [0-9a-z]
{30} matches the previous token exactly 30 times
0-9 matches a single character in the range between 0 (index 48) and 9 (index 57) (case sensitive)
a-z matches a single character in the range between a (index 97) and z (index 122) (case sensitive)
--- End quote ---


Multiple search matches when | separated eg:-
(abc|zxy|der)
won’t work, each element needs to be separately entered on an individual line.

Is this expected behaviour?
I checked the regex's work online so I'm wondering what is different.

Jungle:
For me, both scenarios work.
But be careful with #2. If you enter Find and Replace editor (by pressing [...] button), it will corrupt your "|"-separated group as long as it itself uses "|" as a Find-Replace separator

Mathias (Author):
There are variants of RegEx.. I think MC is using ECMAScript standard of regex.

Exactly how it works I don't know. MC is using code that exists in c++ for it.



But it works for me

Mathias (Author):
Don't forget to check the "RegEx" checkbox

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