IBX-6257: Fixed the issue regarding identifier extraction for specific pattern #1115

Job	Run time
Solr integration tests (7.4)	12m 21s
Solr integration tests (8.0)	11m 48s
Solr integration tests (8.1)	18m 47s
Unit tests & SQLite integration tests (7.4)	9m 41s
Unit tests & SQLite integration tests (8.0)	9m 36s
Unit tests & SQLite integration tests (8.1)	11m 13s
Run code style check (8.0)	3m 47s
MySQL integration tests (7.4)	26m 20s
MySQL integration tests (8.0)	18m 8s
MySQL integration tests (8.1)	18m 3s
PostgreSQL integration tests (7.4)	36m 49s
PostgreSQL integration tests (8.0)	33m 55s
PostgreSQL integration tests (8.1)	21m 8s
	3h 51m 36s

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