countof()

Counts occurrences of a substring in a string. Plain string matches may overlap; regex matches don't.

Syntax

countof(source, search [, kind])

Learn more about syntax conventions.

Parameters

Name	Type	Required	Description
source	string	✔️	The value to search.
search	string	✔️	The value or regular expression to match inside source.
kind	string		The value normal or regex. The default is normal.

Returns

The number of times that the search value can be matched in the source string. Plain string matches may overlap; regex matches don't.

Examples

Function call	Result
countof("aaa", "a")	3
countof("aaaa", "aa")	3 (not 2!)
countof("ababa", "ab", "normal")	2
countof("ababa", "aba")	2
countof("ababa", "aba", "regex")	1
countof("abcabc", "a.c", "regex")	2