You can use terraform contains() function to check if a list contains a certain element. contains() determines whether a given list or set contains a given single value as one of its elements.
Syntax: contains(list, value)
Example:
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## Open terraform console terraform console ## Check if a list contains a certain element contains(["aws","azure","gcp"],"azure") ## returns true contains(["aws","azure","gcp"],"oci") ## returns false |