About Expression Operators

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You can view the available expression operators by clicking the Add Operator button on the Edit Expression dialog box. The following table lists the available operators:

Operator	Definition
+	Add Note: This operator works only for number types. It is not supported for strings and will generate an error when used with string values.
-	Subtract
*	Multiply
`/`	Divide
`%`	Modulus (Absolute value, or dividing without a remainder)
`^`	Exclusive OR
`>`	Greater than
`<`	Less than
`==`	Equals
`=`	Assignment (sets a value)
`!=`	Does not equal
`>=`	Greater than or equal
`<=`	Less than or equal
`&&`	Logical AND
`\|\|`	Logical OR
`!`	Logical NOT
`Contains`	The preceding string, collection, or object array contains the following string
`Does Not Contain`	The preceding string, collection, or object array does not contain the following string
`Is Empty`	The preceding collection, string object, or object array is empty
`Not Empty`	The preceding collection, string object, or object array is not empty
`Matches`	The preceding sting matches the following regular expression
`Starts With`	The preceding string starts with the following string
`Ends With`	The preceding string ends with the following string
`Semi-colon`	Statement separator