| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 23 of 46 | 50% | 4 of 6 | 33% | 4 | 7 | 2 | 7 | 1 | 4 |
| toString() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| build() | | 70% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| setExpression(String) | | 80% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| RegexBuilder() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |