DigitCharacter

可用

Represents a digit character in string patterns

形式

DigitCharacter

验证过的示例StringMatchQ[#, DigitCharacter]& /@ {"1", "a", "2", "b", ".", " "} → {True, False, True, False, False, False}StringMatchQ[#, DigitCharacter]& /@ {"a", "1", "2", "B"} → {False, True, 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

NumberString DigitQ WordCharacter StringExpression HexadecimalCharacter LetterCharacter Alternatives Pattern Repeated Whitespace AnyOrder Blank

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