package main import ( "slices" "testing" ) var reTests = []struct { re string flags []ReFlag str string result []Group // Stores all zero-groups in the match }{ {"a", nil, "abc", []Group{{0, 1}}}, {"a", nil, "bca", []Group{{2, 3}}}, {"l", nil, "ggllgg", []Group{{2, 3}, {3, 4}}}, {"(b|c)", nil, "abdceb", []Group{{1, 2}, {3, 4}, {5, 6}}}, {"a+", nil, "brerereraaaaabbbbb", []Group{{8, 13}}}, {"ab+", nil, "qweqweqweaqweqweabbbbbr", []Group{{16, 22}}}, {"(b|c|A)", nil, "ooaoobocA", []Group{{5, 6}, {7, 8}, {8, 9}}}, {"ab*", nil, "a", []Group{{0, 1}}}, {"ab*", nil, "abb", []Group{{0, 3}}}, {"a*b", nil, "aaab", []Group{{0, 4}}}, {"a*b", nil, "qwqw", []Group{}}, {"(abc)*", nil, "abcabcabc", []Group{{0, 9}, {9, 9}}}, {"((abc)|(def))*", nil, "abcdef", []Group{{0, 6}, {6, 6}}}, {"(abc)*|(def)*", nil, "abcdef", []Group{{0, 3}, {3, 6}, {6, 6}}}, {"b*a*a", nil, "bba", []Group{{0, 3}}}, {"(ab)+", nil, "abcabddd", []Group{{0, 2}, {3, 5}}}, {"a(b(c|d)*)*", nil, "abccbd", []Group{{0, 6}}}, {"a(b|c)*d+", nil, "abccdd", []Group{{0, 6}}}, {"a*", nil, "", []Group{{0, 0}}}, {"a|b", nil, "c", []Group{}}, {"(a|b)*c", nil, "aabbc", []Group{{0, 5}}}, {"a(b|b)", nil, "ab", []Group{{0, 2}}}, {"a*", nil, "aaaaaaaa", []Group{{0, 8}, {8, 8}}}, {"ab?", nil, "ab", []Group{{0, 2}}}, {"a?b", nil, "ab", []Group{{0, 2}}}, {"a?", nil, "", []Group{{0, 0}}}, {"a?b?c", nil, "a", []Group{}}, {"a?b?c?", nil, "ab", []Group{{0, 2}, {2, 2}}}, {"a?b?c?", nil, "ac", []Group{{0, 2}, {2, 2}}}, {"a?b?c", nil, "abc", []Group{{0, 3}}}, {"a?b?c", nil, "acb", []Group{{0, 2}}}, {"[abc]", nil, "defadefbdefce", []Group{{3, 4}, {7, 8}, {11, 12}}}, {"[ab]c", nil, "ab", []Group{}}, {"g[ab]c", nil, "gac", []Group{{0, 3}}}, {"g[ab]c", nil, "gbc", []Group{{0, 3}}}, {"g[ab]c", nil, "gc", []Group{}}, {"g[ab]c", nil, "gfc", []Group{}}, {"[ab]*", nil, "aabbbabaababab", []Group{{0, 14}, {14, 14}}}, {"[ab]+", nil, "aabbbablaababab", []Group{{0, 7}, {8, 15}}}, {"[Ff]r[Uu]it", nil, "fruit", []Group{{0, 5}}}, {"[Ff]r[Uu]it", nil, "FrUit", []Group{{0, 5}}}, {"[Ff]r[Uu|]it", nil, "Fr|it", []Group{{0, 5}}}, {"[Ff]r([Uu]|[pP])it", nil, "Frpit", []Group{{0, 5}}}, {"[Ff]r[Uu]|[pP]it", nil, "Frpit", []Group{{2, 5}}}, {"[a-zA-Z]+", nil, "Hello, how is it going?", []Group{{0, 5}, {7, 10}, {11, 13}, {14, 16}, {17, 22}}}, {".+", nil, "Hello, how is it going?", []Group{{0, 23}}}, {"a.", nil, "a ", []Group{{0, 2}}}, {"a.b", nil, "a/b", []Group{{0, 3}}}, {".", nil, "a ", []Group{{0, 1}, {1, 2}}}, {"a.", nil, "a ", []Group{{0, 2}}}, {".+b", nil, "abc", []Group{{0, 2}}}, {`\d`, nil, "1a0a3s'''34343s", []Group{{0, 1}, {2, 3}, {4, 5}, {9, 10}, {10, 11}, {11, 12}, {12, 13}, {13, 14}}}, {`\\`, nil, `a\b\c\qwe\`, []Group{{1, 2}, {3, 4}, {5, 6}, {9, 10}}}, {`\W`, nil, `"Hello", he said. How are you doing?`, []Group{{0, 1}, {6, 7}, {7, 8}, {8, 9}, {11, 12}, {16, 17}, {17, 18}, {21, 22}, {25, 26}, {29, 30}, {35, 36}}}, {`\w`, nil, ";';';';';'qwe12", []Group{{10, 11}, {11, 12}, {12, 13}, {13, 14}, {14, 15}}}, {`\s`, nil, "a b c d", []Group{{1, 2}, {3, 4}, {5, 6}, {6, 7}}}, {`\<`, nil, "", []Group{{0, 1}, {6, 7}}}, {`$.+$`, nil, "Not (paranthesized), (so) is (this) not", []Group{{4, 35}}}, {"[^abc]+", nil, "qarbtopsaplpclkpasdmb prejip0r,p", []Group{{0, 1}, {2, 3}, {4, 8}, {9, 12}, {13, 16}, {17, 20}, {21, 32}}}, {"[^a]+", nil, "qqqaq", []Group{{0, 3}, {4, 5}}}, {"[^0-9]+", nil, "a1b2c3dd", []Group{{0, 1}, {2, 3}, {4, 5}, {6, 8}}}, {"[^abc]+", nil, "ababababbababaccacacacaca", []Group{}}, {`\[`, nil, "a[b[c[]]]", []Group{{1, 2}, {3, 4}, {5, 6}}}, {`$[^)]+$`, nil, "Not (paranthesized), (so) is (this) not", []Group{{4, 19}, {21, 25}, {29, 35}}}, {"^ab", nil, "ab bab", []Group{{0, 2}}}, {"^aaaa^", nil, "aaaaaaaa", []Group{}}, {"^([bB][Gg])", nil, "bG", []Group{{0, 2}}}, {"b$", nil, "ba", []Group{}}, {"(boy|girl)$", nil, "girlf", []Group{}}, {`\bint\b`, nil, "print int integer", []Group{{6, 9}}}, {`int\b`, nil, "ints", []Group{}}, {`int(\b|a)`, nil, "inta", []Group{{0, 4}}}, {`\b\d+\b`, nil, "511 a3 43", []Group{{0, 3}, {7, 9}}}, {`\Bint\B`, nil, "prints int integer print", []Group{{2, 5}}}, {`^`, nil, "5^3^2", []Group{{0, 0}}}, {`\^`, nil, "5^3^2", []Group{{1, 2}, {3, 4}}}, {`pool$`, nil, "pool carpool", []Group{{8, 12}}}, {`^int$`, nil, "print int integer", []Group{}}, {`^int$`, nil, "int", []Group{{0, 3}}}, {`b*`, nil, "aaaaaaaaaaqweqwe", []Group{{0, 0}, {1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}, {7, 7}, {8, 8}, {9, 9}, {10, 10}, {11, 11}, {12, 12}, {13, 13}, {14, 14}, {15, 15}, {16, 16}}}, {"a{4}", nil, "aabaaa", []Group{}}, {"ab{5}", nil, "abbbbbab", []Group{{0, 6}}}, {"(a|b){3,4}", nil, "aba", []Group{{0, 3}}}, {"(a|b){3,4}", nil, "ababaa", []Group{{0, 4}}}, {"(bc){5,}", nil, "bcbcbcbcbcbcbcbc", []Group{{0, 16}}}, {`\d{3,4}`, nil, "1209", []Group{{0, 4}}}, {`\d{3,4}`, nil, "109", []Group{{0, 3}}}, {`\d{3,4}`, nil, "5", []Group{}}, {`\d{3,4}`, nil, "123135", []Group{{0, 4}}}, {`\d{3,4}`, nil, "89a-0", []Group{}}, {`\d{3,4}`, nil, "ababab555", []Group{{6, 9}}}, {`\bpaint\b`, nil, "paints", []Group{}}, {`\b\w{5}\b`, nil, "paint", []Group{{0, 5}}}, {`[^\w]`, nil, "abcdef1230[]qq';;'", []Group{{10, 11}, {11, 12}, {14, 15}, {15, 16}, {16, 17}, {17, 18}}}, {`[^\W]`, nil, "abcdef1230[]qq';;'", []Group{{0, 1}, {1, 2}, {2, 3}, {3, 4}, {4, 5}, {5, 6}, {6, 7}, {7, 8}, {8, 9}, {9, 10}, {12, 13}, {13, 14}}}, {`[\[\]]`, nil, "a[b[l]]", []Group{{1, 2}, {3, 4}, {5, 6}, {6, 7}}}, // Unicode tests {`.+`, nil, "úïäö´«åæïëòöê»éãçâï«úïòíñ", []Group{{0, 25}}}, {`a.b`, nil, "a²b", []Group{{0, 3}}}, {`[^a]+`, nil, "úïäö´«åæïëòöê»éãçâï«úïòíñ", []Group{{0, 25}}}, // Fun experiment - AI-generated tests {"(abc|def|ghi)", nil, "abcdefg", []Group{{0, 3}, {3, 6}}}, {"a(b|c)d", nil, "abcd", []Group{}}, {"a(b|c)*d", nil, "abcbcd", []Group{{0, 6}}}, {"a(b|c)+d", nil, "abcbcd", []Group{{0, 6}}}, {"a(b|c)?d", nil, "abd", []Group{{0, 3}}}, {".+", nil, "hello world", []Group{{0, 11}}}, {"a.b", nil, "aXb", []Group{{0, 3}}}, {"a.*b", nil, "aXb", []Group{{0, 3}}}, {"a.{2,3}b", nil, "aXXb", []Group{{0, 4}}}, {"a.{2,}b", nil, "aXXXb", []Group{{0, 5}}}, {"a.{0,3}b", nil, "ab", []Group{{0, 2}}}, {"[abc]+", nil, "abcabc", []Group{{0, 6}}}, {"[a-zA-Z]+", nil, "HelloWorld", []Group{{0, 10}}}, {"[^abc]+", nil, "defghi", []Group{{0, 6}}}, {"^hello", nil, "hello world", []Group{{0, 5}}}, {"world$", nil, "hello world", []Group{{6, 11}}}, {`\bhello\b`, nil, "hello world", []Group{{0, 5}}}, {`\Bhello\B`, nil, "hello world", []Group{}}, {"(hello|world)", nil, "hello world", []Group{{0, 5}, {6, 11}}}, {"(hello|world)+", nil, "hello world", []Group{{0, 5}, {6, 11}}}, {"(hello|world)*", nil, "hello world", []Group{{0, 5}, {5, 5}, {6, 11}, {11, 11}}}, {"(hello|world)?", nil, "hello world", []Group{{0, 5}, {5, 5}, {6, 11}, {11, 11}}}, {"ú.+ï", nil, "úïäö´«åæïëòöê»éãçâï«úïòíñ", []Group{{0, 22}}}, {"(?=hello)", nil, "hello world", []Group{{0, 0}}}, {"(?!hello)", nil, "hello world", []Group{{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}, {7, 7}, {8, 8}, {9, 9}, {10, 10}, {11, 11}}}, {"(?<=hello)", nil, "hello world", []Group{{5, 5}}}, {"(?