| 12345678910 |
- FILE <- TOKEN (_ TOKEN)* _*
- TOKEN <- CLASS0 / CLASS1 / CLASS2 / CLASS3 / CLASS4 / CLASS5
- CLASS0 <- [\^a-z-] { printf("CLASS0: '%s'\n", $0); }
- CLASS1 <- [\\\]] { printf("CLASS1: '%s'\n", $0); }
- CLASS2 <- [-あ-ん] { printf("CLASS2: '%s'\n", $0); }
- CLASS3 <- [𝓪-𝔃-] { printf("CLASS3: '%s'\n", $0); }
- CLASS4 <- [^0-9] { printf("CLASS4: '%s'\n", $0); }
- CLASS5 <- [^] { printf("CLASS5: '%s'\n", $0); }
- _ <- ' ' / '\n'
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