Poor performance of REGEX functions in version 8.0 (Doc ID 2796456.1)

Last updated on APRIL 12, 2022

Applies to:

MySQL Server - Version 8.0 and later
Information in this document applies to any platform.

Queries using REGEX function poorly in version 8.0 when compared to version 5.6/5.7

MySQL Server version 8.0 uses a new Unicode Character Set library , ICU (http://site.icu-project.org/).

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In this Document

Symptoms

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