indexOf

This function is used by Ignition's Expression language.

Description

Searches for the first occurrence of the substring inside of string. Returns the index of where substring was found, or -1 if it wasn't found. The first position in the string is position 0.

Syntax

indexOf(string, substring)

• Parameters

  • String or List string - The string to search through.
    

    Changed in 8.1.8
    The string parameter now accepts tuples and lists.

  • String substring - The string to search for.

• Results

  • String - The index where the substring was first found in the string.

Examples

Code Snippet

indexOf("Hamburger", "urge") //Returns 4.

Code Snippet

indexOf("Test", "") //returns 0

Code Snippet

indexOf("Dysfunctional", "fun") //returns 3

Code Snippet

indexOf("Dysfunctional", "marble") //returns -1

Code Snippet

indexOf("banana", "n") //returns 2