This is the revision history for tutorials in <freenode.net:#regex>

factoid_idsubjectcopulapredicateauthornamespace
15871 tutorials is https://www.regular-expressions.info/tutorial.html, http://www.rexegg.com/, https://regexone.com/, https://youtu.be/ubvSjW6Nyqk digitok
15799 tutorials is https://www.regular-expressions.info/tutorial.html, http://www.rexegg.com/, https://regexone.com/, https://youtu.be/_6QBBT9Sq1U digitok
13400 tutorials is <fact tut>
https://www.regular-expressions.info/tutorial.html, http://www.rexegg.com/, https://regexone.com/, https://youtu.be/_6QBBT9Sq1U
digitok
13397 tutorials is <fact tut>
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digitok
12329 tutorials is <fact #regex tut>
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digitok
12304 tutorials is <fact #regex tu>
Not Available
digitok
11829 tutorials is <nfacts #regex tut>
Not Available
digitok