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Through the property jira.projectkey.pattern, the administrator can specify a Perl5 regular expression defining the rule for a valid project key. During project creation, the user must specify a project key that conforms to this rule.This can be done by editing jira-application.properties. You will then need to restart JIRA (JIRA Standalone) or rebuild the JIRA webapp and redeploy in your app server.

Default

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Project

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Key Pattern

By default, the JIRA project key configuration is restricted to use requires two or more uppercase alphabetical characters — based on the regular expression ([A-Z][A-Z]+).

Configuring Different Project Key Patterns

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