LetterCharacter

可用

String pattern for letter characters

形式

LetterCharacter

验证过的示例StringMatchQ[#, LetterCharacter]& /@ {"a", "1", "B", ".", " "} → {True, False, True, False, False}StringMatchQ[#, LetterCharacter]& /@ {"a", "1", "B", " "} → {True, False, True, False}

在 Qurak 上运行搜索参考

主题

Character Operations - Character Patterns »
Programmable Linguistic Interface - Grammar Construction Primitives
String Patterns - Operations»

相关

WordCharacter LetterQ CharacterRange StringExpression DigitCharacter Alternatives Pattern Repeated Whitespace AnyOrder Blank BlankNullSequence

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