Fix internal pattern match for JIRA issues

Description

as per https://confluence.atlassian.com/display/JIRA/Changing+the+Project+Key+Format

It now matches: PRO_J_ZAA-123, A1_1_B-1, ...

Removed lowercase matching as it is not allowed in JIRA issues

(first time using fork and pull requests)

Assignee

Unassigned

Reporter

Mohammed Davoodi

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None

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Priority

Medium
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