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This is the documentation of for JSU for Jira Server/Data Center. If you are using JSU on Jira Cloud, see our JSU Cloud documentation.

Description

The 'Regular Expression Check' validator compares the value of a text, number, or URL field against a regular expression. For , for example, to verify that the content matches a given format.

Configuration

You must select the field to be checked and enter the regular expression. For example:

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Example

A workflow is configured so that the 'Resolve' transition has the 'Regular Expression Check' where 'TextField' must match '[a-z]*'. If a user attempts to resolve an issue on this workflow, where the 'TextField' is, for example, 7 pieces, the check will fail, and no action will be performed. Pieces alone, would meet the content criteria.

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• [0-9]{4}-[0-9]{4} would allow numbers such as: 1245-7783

• [0-9]+ EUR$ would allow price tags such as: 34 EUR

• [a-z]* would allow an empty string, or any lower case word such as: yellow

• Option [A,B] would allow a selection of options: Option A, Option B, or both.

Refer to See detailed documentation on Regex for technical descriptions. You can also use this the Java Regular Expression Tester to help with testing and to see more examples.

Additional configuration options include:

"Concatenate multiple values"

This option is only available for fields that can store multiple values including the system fields "Affected Version/s", "Components", "Fix Version/s" and "Watchers" as well as most custom fields with multiple settable values.

• If this box is unchecked, the regular expression is applied to each of the field's values and each value must match the regular expression but not all must be present.

• If this box is checked the values are concatenated with the separator   ", " (i.e. the values [Option A, Option AA] are concatenated as the string value "Option A, Option AA") and the exact sequence must match. Typically this option is used to check if a particular sequence of values is selected.
  

• The order in which the values are concatenated

• depends on the natural sorting order of the field value type. Since the values may be stored in the issue in an unspecific order, values that do not have a natural sorting order may be concatenated in an unspecific order.

"Split on newline characters"

This option is only available for text area fields including the system fields "Description" and "Environment" as well as text area custom fields.

• If this box is unchecked, the regular expression is applied to the entire field multiline text value.

• If this box is checked the field multiline text value will be split into individual lines and each line is evaluated against the regexp separately. 

For information on how to configure a check in Jira, see the Jira documentation.