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Jul 24, 2019 · Databases

Using MySQL 8.0 REGEXP_REPLACE and REGEXP_INSTR for Targeted Substring Replacement

This article explains how to replace the nth occurrence of a substring in MySQL, comparing a custom stored function, an export‑sed‑import workflow, and the built‑in REGEXP_REPLACE and REGEXP_INSTR functions introduced in MySQL 8.0, with examples for both ASCII and multibyte strings.