SET NAMES utf8; Warnings: Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous. # # ICU bug #12884: Timeout ignored for ICU regular expression matches # reported by us. Fixed in ICU 59.1. # # Originates from MySQL Bug#24449090 BUFFER OVERFLOW IN FUNCTION DUPL # which was fixed in the Henry Spencer library. # SELECT regexp_like('', "(((((((){120}){11}){11}){11}){80}){11}){4}" ); ERROR HY000: Timeout exceeded in regular expression match.