javacc正規表現のUTF-8文字に一致する

Question

どのようにUTF-8文字にマッチする正規表現をjavaccで書くことができますか？私はいくつかの正規表現エンジンが\ p {L}をサポートしていることを赤くしていますが、これはjavaccではうまくいきません。

TOKEN : { < #UTF_LETTER : \p{L} > }

Answer 1

[OK]をので、ここで答えがWiktor第Stribiżewのおかげです。あなたはこのようJavaCCのコードに自分自身をpLののVARを貼り付ける必要があります：

TOKEN : { < #UTF_LETTER : [ 
"a"-"z", 
"A"-"Z", 
"\u00AA", 
"\u00B5", 
"\u00BA", 
"\u00C0"-"\u00D6", 
"\u00D8"-"\u00F6", 
"\u00F8"-"\u02C1", 
"\u02C6"-"\u02D1", 
"\u02E0"-"\u02E4", 
"\u02EC", 
"\u02EE", 
"\u0370"-"\u0374", 
"\u0376", 
"\u0377", 
"\u037A"-"\u037D", 
"\u037F", 
"\u0386", 
"\u0388"-"\u038A", 
"\u038C", 
"\u038E"-"\u03A1", 
"\u03A3"-"\u03F5", 
"\u03F7"-"\u0481", 
"\u048A"-"\u052F", 
"\u0531"-"\u0556", 
"\u0559", 
"\u0561"-"\u0587", 
"\u05D0"-"\u05EA", 
"\u05F0"-"\u05F2", 
"\u0620"-"\u064A", 
"\u066E", 
"\u066F", 
"\u0671"-"\u06D3", 
"\u06D5", 
"\u06E5", 
"\u06E6", 
"\u06EE", 
"\u06EF", 
"\u06FA"-"\u06FC", 
"\u06FF", 
"\u0710", 
"\u0712"-"\u072F", 
"\u074D"-"\u07A5", 
"\u07B1", 
"\u07CA"-"\u07EA", 
"\u07F4", 
"\u07F5", 
"\u07FA", 
"\u0800"-"\u0815", 
"\u081A", 
"\u0824", 
"\u0828", 
"\u0840"-"\u0858", 
"\u08A0"-"\u08B2", 
"\u0904"-"\u0939", 
"\u093D", 
"\u0950", 
"\u0958"-"\u0961", 
"\u0971"-"\u0980", 
"\u0985"-"\u098C", 
"\u098F", 
"\u0990", 
"\u0993"-"\u09A8", 
"\u09AA"-"\u09B0", 
"\u09B2", 
"\u09B6"-"\u09B9", 
"\u09BD", 
"\u09CE", 
"\u09DC", 
"\u09DD", 
"\u09DF"-"\u09E1", 
"\u09F0", 
"\u09F1", 
"\u0A05"-"\u0A0A", 
"\u0A0F", 
"\u0A10", 
"\u0A13"-"\u0A28", 
"\u0A2A"-"\u0A30", 
"\u0A32", 
"\u0A33", 
"\u0A35", 
"\u0A36", 
"\u0A38", 
"\u0A39", 
"\u0A59"-"\u0A5C", 
"\u0A5E", 
"\u0A72"-"\u0A74", 
"\u0A85"-"\u0A8D", 
"\u0A8F"-"\u0A91", 
"\u0A93"-"\u0AA8", 
"\u0AAA"-"\u0AB0", 
"\u0AB2", 
"\u0AB3", 
"\u0AB5"-"\u0AB9", 
"\u0ABD", 
"\u0AD0", 
"\u0AE0", 
"\u0AE1", 
"\u0B05"-"\u0B0C", 
"\u0B0F", 
"\u0B10", 
"\u0B13"-"\u0B28", 
"\u0B2A"-"\u0B30", 
"\u0B32", 
"\u0B33", 
"\u0B35"-"\u0B39", 
"\u0B3D", 
"\u0B5C", 
"\u0B5D", 
"\u0B5F"-"\u0B61", 
"\u0B71", 
"\u0B83", 
"\u0B85"-"\u0B8A", 
"\u0B8E"-"\u0B90", 
"\u0B92"-"\u0B95", 
"\u0B99", 
"\u0B9A", 
"\u0B9C", 
"\u0B9E", 
"\u0B9F", 
"\u0BA3", 
"\u0BA4", 
"\u0BA8"-"\u0BAA", 
"\u0BAE"-"\u0BB9", 
"\u0BD0", 
"\u0C05"-"\u0C0C", 
"\u0C0E"-"\u0C10", 
"\u0C12"-"\u0C28", 
"\u0C2A"-"\u0C39", 
"\u0C3D", 
"\u0C58", 
"\u0C59", 
"\u0C60", 
"\u0C61", 
"\u0C85"-"\u0C8C", 
"\u0C8E"-"\u0C90", 
"\u0C92"-"\u0CA8", 
"\u0CAA"-"\u0CB3", 
"\u0CB5"-"\u0CB9", 
"\u0CBD", 
"\u0CDE", 
"\u0CE0", 
"\u0CE1", 
"\u0CF1", 
"\u0CF2", 
"\u0D05"-"\u0D0C", 
"\u0D0E"-"\u0D10", 
"\u0D12"-"\u0D3A", 
"\u0D3D", 
"\u0D4E", 
"\u0D60", 
"\u0D61", 
"\u0D7A"-"\u0D7F", 
"\u0D85"-"\u0D96", 
"\u0D9A"-"\u0DB1", 
"\u0DB3"-"\u0DBB", 
"\u0DBD", 
"\u0DC0"-"\u0DC6", 
"\u0E01"-"\u0E30", 
"\u0E32", 
"\u0E33", 
"\u0E40"-"\u0E46", 
"\u0E81", 
"\u0E82", 
"\u0E84", 
"\u0E87", 
"\u0E88", 
"\u0E8A", 
"\u0E8D", 
"\u0E94"-"\u0E97", 
"\u0E99"-"\u0E9F", 
"\u0EA1"-"\u0EA3", 
"\u0EA5", 
"\u0EA7", 
"\u0EAA", 
"\u0EAB", 
"\u0EAD"-"\u0EB0", 
"\u0EB2", 
"\u0EB3", 
"\u0EBD", 
"\u0EC0"-"\u0EC4", 
"\u0EC6", 
"\u0EDC"-"\u0EDF", 
"\u0F00", 
"\u0F40"-"\u0F47", 
"\u0F49"-"\u0F6C", 
"\u0F88"-"\u0F8C", 
"\u1000"-"\u102A", 
"\u103F", 
"\u1050"-"\u1055", 
"\u105A"-"\u105D", 
"\u1061", 
"\u1065", 
"\u1066", 
"\u106E"-"\u1070", 
"\u1075"-"\u1081", 
"\u108E", 
"\u10A0"-"\u10C5", 
"\u10C7", 
"\u10CD", 
"\u10D0"-"\u10FA", 
"\u10FC"-"\u1248", 
"\u124A"-"\u124D", 
"\u1250"-"\u1256", 
"\u1258", 
"\u125A"-"\u125D", 
"\u1260"-"\u1288", 
"\u128A"-"\u128D", 
"\u1290"-"\u12B0", 
"\u12B2"-"\u12B5", 
"\u12B8"-"\u12BE", 
"\u12C0", 
"\u12C2"-"\u12C5", 
"\u12C8"-"\u12D6", 
"\u12D8"-"\u1310", 
"\u1312"-"\u1315", 
"\u1318"-"\u135A", 
"\u1380"-"\u138F", 
"\u13A0"-"\u13F4", 
"\u1401"-"\u166C", 
"\u166F"-"\u167F", 
"\u1681"-"\u169A", 
"\u16A0"-"\u16EA", 
"\u16F1"-"\u16F8", 
"\u1700"-"\u170C", 
"\u170E"-"\u1711", 
"\u1720"-"\u1731", 
"\u1740"-"\u1751", 
"\u1760"-"\u176C", 
"\u176E"-"\u1770", 
"\u1780"-"\u17B3", 
"\u17D7", 
"\u17DC", 
"\u1820"-"\u1877", 
"\u1880"-"\u18A8", 
"\u18AA", 
"\u18B0"-"\u18F5", 
"\u1900"-"\u191E", 
"\u1950"-"\u196D", 
"\u1970"-"\u1974", 
"\u1980"-"\u19AB", 
"\u19C1"-"\u19C7", 
"\u1A00"-"\u1A16", 
"\u1A20"-"\u1A54", 
"\u1AA7", 
"\u1B05"-"\u1B33", 
"\u1B45"-"\u1B4B", 
"\u1B83"-"\u1BA0", 
"\u1BAE", 
"\u1BAF", 
"\u1BBA"-"\u1BE5", 
"\u1C00"-"\u1C23", 
"\u1C4D"-"\u1C4F", 
"\u1C5A"-"\u1C7D", 
"\u1CE9"-"\u1CEC", 
"\u1CEE"-"\u1CF1", 
"\u1CF5", 
"\u1CF6", 
"\u1D00"-"\u1DBF", 
"\u1E00"-"\u1F15", 
"\u1F18"-"\u1F1D", 
"\u1F20"-"\u1F45", 
"\u1F48"-"\u1F4D", 
"\u1F50"-"\u1F57", 
"\u1F59", 
"\u1F5B", 
"\u1F5D", 
"\u1F5F"-"\u1F7D", 
"\u1F80"-"\u1FB4", 
"\u1FB6"-"\u1FBC", 
"\u1FBE", 
"\u1FC2"-"\u1FC4", 
"\u1FC6"-"\u1FCC", 
"\u1FD0"-"\u1FD3", 
"\u1FD6"-"\u1FDB", 
"\u1FE0"-"\u1FEC", 
"\u1FF2"-"\u1FF4", 
"\u1FF6"-"\u1FFC", 
"\u2071", 
"\u207F", 
"\u2090"-"\u209C", 
"\u2102", 
"\u2107", 
"\u210A"-"\u2113", 
"\u2115", 
"\u2119"-"\u211D", 
"\u2124", 
"\u2126", 
"\u2128", 
"\u212A"-"\u212D", 
"\u212F"-"\u2139", 
"\u213C"-"\u213F", 
"\u2145"-"\u2149", 
"\u214E", 
"\u2183", 
"\u2184", 
"\u2C00"-"\u2C2E", 
"\u2C30"-"\u2C5E", 
"\u2C60"-"\u2CE4", 
"\u2CEB"-"\u2CEE", 
"\u2CF2", 
"\u2CF3", 
"\u2D00"-"\u2D25", 
"\u2D27", 
"\u2D2D", 
"\u2D30"-"\u2D67", 
"\u2D6F", 
"\u2D80"-"\u2D96", 
"\u2DA0"-"\u2DA6", 
"\u2DA8"-"\u2DAE", 
"\u2DB0"-"\u2DB6", 
"\u2DB8"-"\u2DBE", 
"\u2DC0"-"\u2DC6", 
"\u2DC8"-"\u2DCE", 
"\u2DD0"-"\u2DD6", 
"\u2DD8"-"\u2DDE", 
"\u2E2F", 
"\u3005", 
"\u3006", 
"\u3031"-"\u3035", 
"\u303B", 
"\u303C", 
"\u3041"-"\u3096", 
"\u309D"-"\u309F", 
"\u30A1"-"\u30FA", 
"\u30FC"-"\u30FF", 
"\u3105"-"\u312D", 
"\u3131"-"\u318E", 
"\u31A0"-"\u31BA", 
"\u31F0"-"\u31FF", 
"\u3400"-"\u4DB5", 
"\u4E00"-"\u9FCC", 
"\uA000"-"\uA48C", 
"\uA4D0"-"\uA4FD", 
"\uA500"-"\uA60C", 
"\uA610"-"\uA61F", 
"\uA62A", 
"\uA62B", 
"\uA640"-"\uA66E", 
"\uA67F"-"\uA69D", 
"\uA6A0"-"\uA6E5", 
"\uA717"-"\uA71F", 
"\uA722"-"\uA788", 
"\uA78B"-"\uA78E", 
"\uA790"-"\uA7AD", 
"\uA7B0", 
"\uA7B1", 
"\uA7F7"-"\uA801", 
"\uA803"-"\uA805", 
"\uA807"-"\uA80A", 
"\uA80C"-"\uA822", 
"\uA840"-"\uA873", 
"\uA882"-"\uA8B3", 
"\uA8F2"-"\uA8F7", 
"\uA8FB", 
"\uA90A"-"\uA925", 
"\uA930"-"\uA946", 
"\uA960"-"\uA97C", 
"\uA984"-"\uA9B2", 
"\uA9CF", 
"\uA9E0"-"\uA9E4", 
"\uA9E6"-"\uA9EF", 
"\uA9FA"-"\uA9FE", 
"\uAA00"-"\uAA28", 
"\uAA40"-"\uAA42", 
"\uAA44"-"\uAA4B", 
"\uAA60"-"\uAA76", 
"\uAA7A", 
"\uAA7E"-"\uAAAF", 
"\uAAB1", 
"\uAAB5", 
"\uAAB6", 
"\uAAB9"-"\uAABD", 
"\uAAC0", 
"\uAAC2", 
"\uAADB"-"\uAADD", 
"\uAAE0"-"\uAAEA", 
"\uAAF2"-"\uAAF4", 
"\uAB01"-"\uAB06", 
"\uAB09"-"\uAB0E", 
"\uAB11"-"\uAB16", 
"\uAB20"-"\uAB26", 
"\uAB28"-"\uAB2E", 
"\uAB30"-"\uAB5A", 
"\uAB5C"-"\uAB5F", 
"\uAB64", 
"\uAB65", 
"\uABC0"-"\uABE2", 
"\uAC00"-"\uD7A3", 
"\uD7B0"-"\uD7C6", 
"\uD7CB"-"\uD7FB", 
"\uF900"-"\uFA6D", 
"\uFA70"-"\uFAD9", 
"\uFB00"-"\uFB06", 
"\uFB13"-"\uFB17", 
"\uFB1D", 
"\uFB1F"-"\uFB28", 
"\uFB2A"-"\uFB36", 
"\uFB38"-"\uFB3C", 
"\uFB3E", 
"\uFB40", 
"\uFB41", 
"\uFB43", 
"\uFB44", 
"\uFB46"-"\uFBB1", 
"\uFBD3"-"\uFD3D", 
"\uFD50"-"\uFD8F", 
"\uFD92"-"\uFDC7", 
"\uFDF0"-"\uFDFB", 
"\uFE70"-"\uFE74", 
"\uFE76"-"\uFEFC", 
"\uFF21"-"\uFF3A", 
"\uFF41"-"\uFF5A", 
"\uFF66"-"\uFFBE", 
"\uFFC2"-"\uFFC7", 
"\uFFCA"-"\uFFCF", 
"\uFFD2"-"\uFFD7", 
"\uFFDA"-"\uFFDC" 
] > }