# Useful String Methods

Find text with IndexOf, LastIndexOf, Contains, StartsWith and EndsWith, and cut and reshape it with Substring, Split, ToUpper, ToLower, Trim and Replace.

![Cheat sheet: Useful String Methods](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/11302147cbd44faa972cc1818c673c83.webp)

- Category: C#
- Level: Apprentice
- Tags: c-sharp, IndexOf(), Split() (c-sharp), Substring() (c-sharp)
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/strings-in-csharp-useful-string-methods-cheat-sheet