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    Nintex Knowledge Base

    Validation And Expression Operators For Nintex Forms

    Status: Validated

    What do the validation rule expressions mean within the Nintex Forms designer?

    == : equal to

    === : exactly equal to (value and type)

    != : not equal

    !== : not equal (neither value or type)

    > : greater than

    < : less than

    >= : greater than or equal to

    <= : less than or equal to

    && : and

    | | : or

    ! : not

    Use the {Self} variable (available in the Named Controls tab in the Formula Builder) to reference the value in an associated control within the condition.

    If comparing two date controls you can (DateControl1 <= DateControl2) this is to mean that DateControl1 must be greater in order to be valid and allow submit.
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