Regex Editor & Tester

Matches a run of 10 or 8 digits immediately preceded by the literal text 'partn_key_yr_hr=' and immediately followed by a forward slash, capturing the number in group 1. The digit lengths suggest timestamp-style keys such as YYYYMMDDHH or YYYYMMDD. Commonly used to extract partner key values from URLs, file paths, or log entries, with the global flag finding all matches and multiline allowing per-line processing.