Added some AI-generated test cases (llama3.1:405b)

re_test.go

@@ -115,6 +115,37 @@ var reTests = []struct {
 	{`.+`, "úïäö´«åæïëòöê»éãçâï«úïòíñ", []MatchIndex{{0, 25}}},
 	{`a.b`, "a²b", []MatchIndex{{0, 3}}},
 	{`[^a]+`, "úïäö´«åæïëòöê»éãçâï«úïòíñ", []MatchIndex{{0, 25}}},
+
+	// Fun experiment - AI-generated tests
+	{"(abc|def|ghi)", "abcdefg", []MatchIndex{{0, 3}, {3, 6}}},
+	{"a(b|c)d", "abcd", []MatchIndex{}},
+	{"a(b|c)*d", "abcbcd", []MatchIndex{{0, 6}}},
+	{"a(b|c)+d", "abcbcd", []MatchIndex{{0, 6}}},
+	{"a(b|c)?d", "abd", []MatchIndex{{0, 3}}},
+	{".+", "hello world", []MatchIndex{{0, 11}}},
+	{"a.b", "aXb", []MatchIndex{{0, 3}}},
+	{"a.*b", "aXb", []MatchIndex{{0, 3}}},
+	{"a.{2,3}b", "aXXb", []MatchIndex{{0, 4}}},
+	{"a.{2,}b", "aXXXb", []MatchIndex{{0, 5}}},
+	{"a.{0,3}b", "ab", []MatchIndex{{0, 2}}},
+	{"[abc]+", "abcabc", []MatchIndex{{0, 6}}},
+	{"[a-zA-Z]+", "HelloWorld", []MatchIndex{{0, 10}}},
+	{"[^abc]+", "defghi", []MatchIndex{{0, 6}}},
+	{"^hello", "hello world", []MatchIndex{{0, 5}}},
+	{"world$", "hello world", []MatchIndex{{6, 11}}},
+	{`\bhello\b`, "hello world", []MatchIndex{{0, 5}}},
+	{`\Bhello\B`, "hello world", []MatchIndex{}},
+	{"(hello|world)", "hello world", []MatchIndex{{0, 5}, {6, 11}}},
+	{"(hello|world)+", "hello world", []MatchIndex{{0, 5}, {6, 11}}},
+	{"(hello|world)*", "hello world", []MatchIndex{{0, 5}, {5, 5}, {6, 11}, {11, 11}}},
+	{"(hello|world)?", "hello world", []MatchIndex{{0, 5}, {5, 5}, {6, 11}, {11, 11}}},
+	{"ú.+ï", "úïäö´«åæïëòöê»éãçâï«úïòíñ", []MatchIndex{{0, 22}}},
+	{"(?=hello)", "hello world", []MatchIndex{{0, 0}}},
+	{"(?!hello)", "hello world", []MatchIndex{{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}, {7, 7}, {8, 8}, {9, 9}, {10, 10}, {11, 11}}},
+	{"(?<=hello)", "hello world", []MatchIndex{{5, 5}}},
+	{"(?<!hello)", "hello world", []MatchIndex{{0, 0}, {1, 1}, {2, 2}, {3, 3}, {4, 4}, {6, 6}, {7, 7}, {8, 8}, {9, 9}, {10, 10}, {11, 11}}},
+
+	// Todo - add lookaround tests
 }
 
 func TestFindAllMatches(t *testing.T) {