70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
import io:*
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import regex:*
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fun main():int {
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println("concat")
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var reg = regex("ab")
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println(reg.long_match("abab"))
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println(reg.long_match("aab"))
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println("repitition")
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reg = regex("a*b+c")
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println(reg.long_match("bc"))
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println(reg.long_match("aaaaaaaaaaaaaaaabc"))
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println(reg.long_match("aaaaaaaaaaaaaaaabbbbbbbbbc"))
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println(reg.long_match("aaaaaaaaaaaaaaaa"))
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println(reg.long_match("aaaaaaaaaaaaaaaac"))
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println(reg.long_match("aaaaaaaaaaaaaaaab"))
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println("alternation")
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reg = regex("a|b")
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println(reg.long_match("a"))
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println(reg.long_match("b"))
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println(reg.long_match("aa"))
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println(reg.long_match("bb"))
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println(reg.long_match("ab"))
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println(reg.long_match("c"))
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println("perens!")
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reg = regex("(a|b)*")
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println(reg.long_match("a"))
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println(reg.long_match("b"))
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println(reg.long_match("aa"))
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println(reg.long_match("bb"))
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println(reg.long_match("ab"))
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println(reg.long_match("abbbaaababab"))
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println(reg.long_match("c"))
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println("optional!")
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reg = regex("a?b")
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println(reg.long_match("a"))
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println(reg.long_match("b"))
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println(reg.long_match("ab"))
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println("Old Contributed")
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var re = regex("a*");
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println(re.long_match("a"));
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println(re.long_match("aa"));
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println(re.long_match("aaaab"));
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println(re.long_match("b"));
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re = regex("a+");
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println(re.long_match("aa"));
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println(re.long_match("aaaab"));
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println(re.long_match("b"));
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re = regex("a(bc)?");
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println(re.long_match("ab"));
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re = regex("((ab)|c)*");
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println(re.long_match("ababc"));
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println(re.long_match("ad"));
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println(re.long_match("ababccd"));
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re = regex("bbb((bba+)|(ba+))*a*((a+b)|(a+bb)|(a+))*bbb") ;
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println(re.long_match("bbbababbbaaaaaaaaaaaaaaaaaaabbb"));
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return 0
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}
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