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Description

The 'Regular Expression Check' compares the value of a text, number, or URL field against a regular expression, 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.

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 detailed documentation on Regex for technical descriptions. You can use this 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. 

Optional error message

You can define a custom error message for JSU validators to provide a clear explanation of the situation to your users. If you leave this field empty, a default error message from Jira will be displayed on validation errors. This might be a bit too technical, making it difficult for your users to understand or resolve the error. For information on how to configure a check in Jira, see the Jira documentation.

Supported field types