$or

Returns true if at least one of the provided conditions is true, otherwise false is returned.

Syntax

$or[Conditions;...]

Conditions (Type: String || Flag: Required): The condition to check. Separate conditions using ;.

== - Equal

!= - Not Equal

< - Less Than

> - Greater Than

>= - Greater Than Or Equal To

<= - Less Than Or Equal To

These signs could vary in meaning based on the order or intent of the if statement.
If you are using text as your x and/or y, you can not use any other signs besides == and !=. However for numbers, you can use any sign shown in the above list.

$nomention
$or[$nickname==MineBartekSA;$message==Update]

!example Update

true

!example

false

!example

true

!example Update

true

For more information, read the the If Statements Guide.