As noted in the PostgreSQL 10 release notes, regexp_match(): "... only returns results from the first match so it does not need to return a set, making it easier to use for simple cases." The ...

Regina Obe: Substring function Regex style 🚀 Unleashing the Regex Sorcery with PostgreSQL's Substring Function! 🔍 Hey there, PostgreSQL enthusiasts! Ever dust off that old code and discover a gem ...

-- -- 1234567 -- SELECT 'ABCDEFG' AS original -- ABCDEFG -- --- rightmost 3 characters --- , SUBSTRING('ABCDEFG', 4) AS wrong_1 -- DEFG -- , SUBSTRING('ABCDEFG', 5 ...