Verified.Issued by Regex Hunter Academy to MrDebugger on 2 July 2026. It can't be edited.
Issued before 4 Oct 2026, when solutions weren't yet checked by the server.
Certificate of completion
TRACK 6
Lookarounds
Peek without consuming — lookahead and lookbehind are zero-width assertions that check what comes before or after a spot, then step back and let the real match continue.
Awarded to
MrDebugger
Lookahead Negative lookahead Lookbehind Negative lookbehind Password rules
10
hunts cleared
5
concepts
2 Jul 2026
issued
Verify at regexhunter.com/verifyRH-LOOK-44E86B