Description

Find the position of the first occurrence of a substring in a string

find(s, search, start_pos = 0)

Parameters

• s (string) — A string
• search (string) — A string to search for
• start_pos (number, optional) — Where to begin the search. The default value is 0 (at the beginning of s)

Return Value

• number — Returns the position of the first character of the first match. Returns -1 if no matches were found

Usage Example

find("Hello World", "Wo")       ' Returns 6
find("Hello World", "Wo", 10)   ' Returns -1

Documentation version: 1.0.16. Updated on: 14 July 2025.
Dinfio is designed and written by Muhammad Faruq Nuruddinsyah. Copyright © 2014-2025. All rights reserved.