LetterCharacter

可用

String pattern for letter characters

形式

LetterCharacter

已驗證的範例StringMatchQ[#, LetterCharacter]& /@ {"a", "1", "B", ".", " "} → {True, False, True, False, False}StringMatchQ[#, LetterCharacter]& /@ {"a", "1", "B", " "} → {True, False, True, False}

在 Qurak 上執行搜尋參考文件

主題

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

相關

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

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