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Live matching, plain English explanation, and a warning if it can hang.
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Matches
2
Groups
3
Flags
g
Invoices dated 2026-04-01 and 2026-08-23 are due.
(groupstart of captured group 1\dclassany digit, 0 to 9{4}quantifierexactly 4 times)groupend of the group-literalthe text "-"(groupstart of captured group 2\dclassany digit, 0 to 9{2}quantifierexactly 2 times)groupend of the group-literalthe text "-"(groupstart of captured group 3\dclassany digit, 0 to 9{2}quantifierexactly 2 times)groupend of the group| At | Match | Groups |
|---|---|---|
| 15 | 2026-04-01 | 1: 2026 2: 04 3: 01 |
| 30 | 2026-08-23 | 1: 2026 2: 08 3: 23 |