String generator from a regex-like pattern.
$ GOPROXY=direct go install git.sr.ht/~mendelmaleh/patterns/cmd/patterns@latest
$ patterns -h
Usage of patterns:
-d debug mode
-i interactive mode
-l int
upper limit for quantifiers like * and + (default 128)
-x int
number of strings to generate (default 3)
$ patterns '0x[0-9a-f]{8}'
0x1e47bc0c
0x6abafc21
0x274e8542
$ patterns -i
> [a-z0-9@#$]{12}
6wa$l#dmrba$
$ hyperfine 'patterns -x 999999999999 0x[a-f]{8} | grep -m1 deadbeef'
Benchmark 1: patterns -x 999999999999 0x[a-f]{8} | grep -m1 deadbeef
Time (mean ± σ): 4.537 s ± 4.220 s [User: 4.145 s, System: 2.086 s]
Range (min … max): 0.094 s … 12.529 s 10 runs