1[0-9a-f]* DF \*UND\* [0-9a-f]* VERS.0 (0x[0-9a-f][0-9a-f] )?_?bar 2[0-9a-f]* DF \*UND\* [0-9a-f]* VERS.0 (0x[0-9a-f][0-9a-f] )?_?foo 3