tPatternCheck component loses custom pattern after migrating from 6.2.1 to 6.4.1

[TalendSolutionExpert]

Talend Version	v6.4.1
Summary	The tPatternCheck component loses a custom pattern after migrating from 6.2.1 to 6.4.1.
Additional Versions
Product	Talend Data Integration
Component	tPatterncheck
Problem Description	Current Behavior: When a Job developed in 6.2.1 Studio has a custom pattern, and then is migrated to 6.4.1, the tPatternCheck component loses the custom pattern values. Expected Behavior: The job in 6.4.1 should keep the custom pattern value that was chosen/configured.
Problem root cause
Solution or Workaround	The behavior seems to be a bug in the product, and JIRA #TDQ-14375 has been submitted to address it in a future release. The issue has been fixed in version 6.4.2, 6.5.1, and 7.0.1. Workaround Copy and re-enter the regular expression manually.
JIRA ticket number	TDQ-14375