Designer 10.15 | webMethods BPM Task Development Help | Working with Task Expressions | About Expression Operators
 
About Expression Operators
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
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