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[0-9a-f]* DF \*UND\* [0-9a-f]* (0x[0-9a-f][0-9a-f] )?show_foo [0-9a-f]* DF \*UND\* [0-9a-f]* VERS_2.0 (0x[0-9a-f][0-9a-f] )?show_foo [0-9a-f]* DF \*UND\* [0-9a-f]* VERS_1.2 (0x[0-9a-f][0-9a-f] )?show_foo [0-9a-f]* DF \*UND\* [0-9a-f]* VERS_1.1 (0x[0-9a-f][0-9a-f] )?show_foo