Qurak

WordCharacter

Disponibile

String pattern for word characters

WordCharacter
StringMatchQ[#, WordCharacter]& /@ {"a", "1", ".", " "} → {True, True, False, False}StringReplace["1a 2b 3c 4d", x : WordCharacter.. :> StringReverse[x]] → a1 b2 c3 d4

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