Implement Backreferences #3

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Rockingcool merged 6 commits from implementBackreferences into master 2025-02-12 21:17:36 -06:00
6 changed files with 255 additions and 117 deletions
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@@ -604,6 +604,10 @@ var groupTests = []struct {
{`(?:(cat)|(dog))\2`, nil, `catdog`, []Match{}},
{`(?:a)\1`, nil, `aa`, nil},
{`((cat)|(dog)|(cow)|(bat))\4`, nil, `cowcow`, []Match{[]Group{{0, 6}, {0, 3}, {-1, -1}, {-1, -1}, {0, 3}, {-1, -1}}}},
{`(a|b)*\1`, nil, `abb`, []Match{[]Group{{0, 3}, {1, 2}}}},
{`(a|b)*\1`, nil, `aba`, []Match{}},
{`(a|b)*\1`, nil, `bab`, []Match{}},
{`(a|b)*\1`, nil, `baa`, []Match{[]Group{{0, 3}, {1, 2}}}},
{`(a)(b)c|ab`, nil, `ab`, []Match{[]Group{{0, 2}}}},
{`(a)+x`, nil, `aaax`, []Match{[]Group{{0, 4}, {2, 3}}}},