沈楠 2021-07-06 02:33 开发者_JAVA百科 食材原料：3斤左右的老鸭半只，猪肚半只，排骨一根（那种没什么肉的）；配料：葱5根、姜2大块、白胡椒粒10粒左右、料酒50ml；步骤/方法1买来的猪肚先不要下水，抹盐腌制
How to specify a fixed digit number in antlr grammar? I want to parse a line which contains fields of fixed number of characters. Each field is a number.
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