Description
In the workflow task Router node, regular expressions can be used in the rules when set to matches.
A regular expression is a way to describe search patterns which the system can recognize. A formal syntax is used to create regular expressions.
Procedure
To use a regular expression in the Router node, follow these steps:
- Double-click the Router node icon to open the Edit Parameters dialog.
- Pick what to route on from the Router based on dropdown list and add the Attribute, Field and Specification depending on what you route on.
- In the first rule, change the dropdown to matches. In the field next to it, you can now type your regular expression.
Examples
| Character | Operation | Example |
|---|---|---|
| | OR | cat|dog matches "cat" or "dog" |
? | 0 or 1 of the preceding character | ?r matches "color" and "colour" |
* | 0 or more of the preceding character | c* matches "", "c", "cccc", etc. |
+ | 1 or more of the preceding character | c+ matches "c", "cccc", etc. but not "" |
. | any single character | .c matches "abc", "aac", "acc", etc. |
^ | proceeding character at beginning of the line | ^The matches "The" at the beginning of a line |
$ | preceding character at end of the line | the end$ matches "the end" at the end of a line |
[] | matches a single character contained in the brackets |
|
[^] | matches a single character except the ones contained in the brackets | [^abc] matches every character except "a", "b" or "c" |
\ | escape characters with special meaning | \?$ matches "?" a the end of a line |
| {x} | x times a single character |
|
| Tip |
|---|
Find out more about what a regular expression is and can do here. All supported regular expression constructs can be found here. |
| Article information | |
|---|---|
| Applies to | WebCenter 12.1 and newer |
| Created | 08-Apr-14 |
| Last revised | |
| Author | DEKE |
| CW Number | |
| Panel | ||||
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