Software for regular expression allowing to setup strings from found capturing groups

Dear Experts

I am trying to find software - optimally free, which would allow me to play with regular expression in a way, that from current set of found capturing groups I would be able to setup new text, copy it and paste where I need.

Simply example:

I have 2 lines of text taken from somewhere (copied) and pasted into Regular expression software:
2018-09-18 Hash XY
2019-01-17 Hash AB


In search field I would search for (\d\d\d\d)-(\d\d)-(\d\d)

And somewhere in 3rd window I wanted to enter %3-%2-%1

Which would give me
18-09-2018
17-01-2019

Do you have any idea?

Thanks

Vladimir
Vladimir BuzalkaCRAAsked:
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Martyn SpencerSoftware Developer / Linux System Administrator / Managing DirectorCommented:
Would https://regex101.com/ fit the bill?
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Vladimir BuzalkaCRAAuthor Commented:
AND WINNER IS ...... Thanks Martyn, absolutely perfect
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Vladimir BuzalkaCRAAuthor Commented:
One line - full answer - nothing to add, perfect.
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Martyn SpencerSoftware Developer / Linux System Administrator / Managing DirectorCommented:
You're welcome :)
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Regular Expressions

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