Match empty string if start state is kleene star
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@@ -31,6 +31,10 @@ func findAllMatches(start *State, str string) (indices []matchIndex) {
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func findAllMatchesHelper(start *State, str string, indices []matchIndex, offset int) []matchIndex {
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// 'Base case' - exit if string is empty.
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if len(str) == 0 {
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// If the start is a Kleene star, then it should also match an empty string.
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if start.isKleene {
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indices = append(indices, matchIndex{offset, offset})
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}
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return indices
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}
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