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- 4\$\begingroup\$ I never thought of regex as a programming language but I guess it is one? For sure not a Turing complete one though... \$\endgroup\$findusl– findusl2020-01-24 08:08:42 +00:00Commented Jan 24, 2020 at 8:08
- 22\$\begingroup\$ Did you post this challenge just so you could post this solution?! \$\endgroup\$Shaggy– Shaggy2020-01-24 21:39:05 +00:00Commented Jan 24, 2020 at 21:39
- 3\$\begingroup\$ @Shaggy I wouldn't have had the idea otherwise. Explained in the original sandbox post. \$\endgroup\$Deadcode– Deadcode2020-01-25 06:32:56 +00:00Commented Jan 25, 2020 at 6:32
- 10\$\begingroup\$ @findusl It's certainly not Turing complete. Its power rests somewhere below primitive recursive, but exactly where hasn't really been pinned down. With unlimited scratch space it would be exactly primitive recursive; it's the extra limit of having to work within the input's space that changes this. \$\endgroup\$Deadcode– Deadcode2020-01-25 06:34:31 +00:00Commented Jan 25, 2020 at 6:34
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