| FileNameMatcher |   | 96% | | 96% | 2 | 48 | 4 | 155 | 0 | 17 | 0 | 1 |
| RestrictedWildCardHead | | 59% | | 25% | 3 | 5 | 1 | 5 | 1 | 3 | 0 | 1 |
| AbstractHead | | 82% | | 75% | 1 | 6 | 1 | 12 | 0 | 4 | 0 | 1 |
| CharacterHead | | 78% | | 100% | 1 | 4 | 1 | 5 | 1 | 3 | 0 | 1 |
| GroupHead | | 100% | | 97% | 1 | 24 | 0 | 66 | 0 | 3 | 0 | 1 |
| GroupHead.CharacterRange | | 100% | | 100% | 0 | 4 | 0 | 5 | 0 | 2 | 0 | 1 |
| GroupHead.PunctPattern | | 100% | | 100% | 0 | 3 | 0 | 3 | 0 | 2 | 0 | 1 |
| GroupHead.OneCharacterPattern | | 100% | | 100% | 0 | 3 | 0 | 4 | 0 | 2 | 0 | 1 |
| GroupHead.LetterPattern | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| GroupHead.WhitespacePattern | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| GroupHead.DigitPattern | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| GroupHead.UpperPattern | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| GroupHead.LowerPattern | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| LastHead | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| WildCardHead | | 100% | | n/a | 0 | 2 | 0 | 3 | 0 | 2 | 0 | 1 |