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WordCharacter

represents a letter or digit character in StringExpression.

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WordCharacter

WordCharacter

represents a letter or digit character in StringExpression.

Details

Examples

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Basic Examples  (3)

Wolfram Language code: StringMatchQ[#, WordCharacter]& /@ {"a", "1", ".", " "}

Test whether a string ends with a letter or digit character:

Wolfram Language code: StringMatchQ["12343;", __ ~~ WordCharacter]
Wolfram Language code: StringMatchQ["12343a", __ ~~ WordCharacter]

Reverse words in a string:

Wolfram Language code: StringReplace["1a 2b 3c 4d", x : WordCharacter.. :> StringReverse[x]]

Properties & Relations  (1)

WordCharacter is either LetterQ or DigitQ:

Wolfram Language code: StringMatchQ[#, WordCharacter]& /@ {"a", "1", ".", " "}
Wolfram Language code: LetterQ[#] || DigitQ[#]& /@ {"a", "1", ".", " "}
Wolfram Research (2004), WordCharacter, Wolfram Language function, https://reference.wolfram.com/language/ref/WordCharacter.html.

Text

Wolfram Research (2004), WordCharacter, Wolfram Language function, https://reference.wolfram.com/language/ref/WordCharacter.html.

CMS

Wolfram Language. 2004. "WordCharacter." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/WordCharacter.html.

APA

Wolfram Language. (2004). WordCharacter. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/WordCharacter.html

BibTeX

@misc{reference.wolfram_2026_wordcharacter, author="Wolfram Research", title="{WordCharacter}", year="2004", howpublished="\url{https://reference.wolfram.com/language/ref/WordCharacter.html}", note=[Accessed: 13-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_wordcharacter, organization={Wolfram Research}, title={WordCharacter}, year={2004}, url={https://reference.wolfram.com/language/ref/WordCharacter.html}, note=[Accessed: 13-June-2026]}