Task Engine 10.5 | Task Engine Webhelp | webMethods Task Engine User's Guide | Task Expression Reference | Understanding Task Expressions | About Expression Operators
 
About Expression Operators
You can view the available expression operators by clicking the Add Operator button on the Global [Rule Type] Rule page.
The following table lists the available expression operators:
Operator
Definition
+
Add
-
Subtract
*
Multiply
/
Divide
%
Modulus
^
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