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NumberString—Wolfram Documentation

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NumberString

represents the characters of a number in StringExpression.

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Basic Examples  
Properties & Relations  
Possible Issues  
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NumberString

NumberString

represents the characters of a number in StringExpression.

Examples

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Basic Examples  (1)

Matches integers or decimal representations:

Wolfram Language code: StringMatchQ["1234", NumberString]
Wolfram Language code: StringMatchQ["1.234", NumberString]

Properties & Relations  (1)

NumberString is not a sequence of DigitCharacter:

Wolfram Language code: StringMatchQ["1.23", NumberString]
Wolfram Language code: StringMatchQ["1.23", DigitCharacter..]

Possible Issues  (1)

Several Wolfram Language number representations are not NumberString patterns:

Wolfram Language code: StringMatchQ["1*^2", NumberString]
Wolfram Language code: StringMatchQ["1.2`20", NumberString]
Wolfram Language code: {1*^2, 1.2`20}
Wolfram Research (2004), NumberString, Wolfram Language function, https://reference.wolfram.com/language/ref/NumberString.html.

Text

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

CMS

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

APA

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

BibTeX

@misc{reference.wolfram_2026_numberstring, author="Wolfram Research", title="{NumberString}", year="2004", howpublished="\url{https://reference.wolfram.com/language/ref/NumberString.html}", note=[Accessed: 14-November-2026]}

BibLaTeX

@online{reference.wolfram_2026_numberstring, organization={Wolfram Research}, title={NumberString}, year={2004}, url={https://reference.wolfram.com/language/ref/NumberString.html}, note=[Accessed: 14-November-2026]}