Understanding PostgreSQL SUBSTRING function

SQL Substring function overview

Oracle Substring function overview with examples

How to Extract a Substring in Microsoft Excel

Check for the last letter in substring

Python: Find an Index (or all) of a Substring in a String • datagy

JavaScript Substring Examples - Slice, Substr, and Substring Methods in JS

PowerShell et Substring : extraire une chaîne d’une chaîne | IT-Connect

SUBSTRING, PATINDEX and CHARINDEX string functions in SQL queries