| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 233 of 637 | 63% | 29 of 68 | 57% | 47 | 87 | 65 | 166 | 26 | 53 | 1 | 6 |
| RegularExpressionEngine.java | | 70% | | 76% | 20 | 49 | 23 | 96 | 10 | 28 | 0 | 1 |
| RegExpUtilities.java | | 34% | | 26% | 16 | 22 | 21 | 32 | 5 | 9 | 0 | 1 |
| RegExpException.java | | 0% | n/a | 4 | 4 | 8 | 8 | 4 | 4 | 1 | 1 | |
| RegExpNotFoundException.java | | 25% | n/a | 3 | 4 | 6 | 8 | 3 | 4 | 0 | 1 | |
| RegExpNotValidException.java | | 31% | n/a | 3 | 4 | 6 | 8 | 3 | 4 | 0 | 1 | |
| RegularExpressionPatternCompileMode.java | | 95% | n/a | 1 | 4 | 1 | 14 | 1 | 4 | 0 | 1 |