fix: Propagate NULLs in `regexp_count`, `regexp_instr` - #24239

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neilconway wants to merge 2 commits into

apache:mainfrom

neilconway:neilc/fix-regexp-null-handling

Commits on Aug 11, 2026

fix: return NULL from regexp_count() for NULL arguments
neilconway
committed
1ba2582
fix: return NULL from regexp_instr() for NULL optional arguments
neilconway
committed
7e535f1