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Checks if list has duplicates.

Component Version macOS Windows Linux Server iOS SDK
List 7.5 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "List.HasDuplicateItems"; List )   More


Parameter Description Example
List The list to process. "Hello" ¶ "Hello" ¶ "World"


Returns 1, 0 or error.


Checks if list has duplicates.
Returns 1 if duplicate lines are found or 0 if not.


Try it:

MBS( "List.HasDuplicateItems"; "Hello¶Test¶World¶Test" )

Example result: 1

See also

Release notes

Blog Entries

This function checks for a license.

Created 21st October 2017, last changed 18th December 2020

List.GetValue - List.HasValue

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