hugo/docs/content/en/functions/in.md

title	description	categories	menu	keywords	signature	relatedfuncs
in	Checks if an element is in an array or slice--or a substring in a string---and returns a boolean.	functions	docs parent functions	strings	in SET ITEM

The elements supported are strings, integers and floats, although only float64 will match as expected.

In addition, in can also check if a substring exists in a string.

{{ if in .Params.tags "Git" }}Follow me on GitHub!{{ end }}

{{ if in "this string contains a substring" "substring" }}Substring found!{{ end }}