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PrintableASCIIQ[string]

yields True if the string contains only printable ASCII characters, and yields False otherwise.

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PrintableASCIIQ

PrintableASCIIQ[string]

yields True if the string contains only printable ASCII characters, and yields False otherwise.

Details

Examples

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Basic Examples  (2)

Check if a single character is a valid ASCII character:

Wolfram Language code: PrintableASCIIQ["a"]
Wolfram Language code: PrintableASCIIQ["¤"]

Check if a string contains only printable ASCII characters:

Wolfram Language code: PrintableASCIIQ["abcd"]
Wolfram Language code: PrintableASCIIQ["¤bcd"]
Wolfram Language code: PrintableASCIIQ["abcͽ"]

Scope  (1)

PrintableASCIIQ threads over lists:

Wolfram Language code: PrintableASCIIQ[{"a", "b", "c", "¤", "d", "˩"}]

Properties & Relations  (1)

Map over a character range:

Wolfram Language code: PrintableASCIIQ[FromCharacterCode /@ Range[0, 127]]

The empty string will yield True:

Wolfram Language code: PrintableASCIIQ[""]
Wolfram Research (2015), PrintableASCIIQ, Wolfram Language function, https://reference.wolfram.com/language/ref/PrintableASCIIQ.html.

Text

Wolfram Research (2015), PrintableASCIIQ, Wolfram Language function, https://reference.wolfram.com/language/ref/PrintableASCIIQ.html.

CMS

Wolfram Language. 2015. "PrintableASCIIQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/PrintableASCIIQ.html.

APA

Wolfram Language. (2015). PrintableASCIIQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/PrintableASCIIQ.html

BibTeX

@misc{reference.wolfram_2026_printableasciiq, author="Wolfram Research", title="{PrintableASCIIQ}", year="2015", howpublished="\url{https://reference.wolfram.com/language/ref/PrintableASCIIQ.html}", note=[Accessed: 12-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_printableasciiq, organization={Wolfram Research}, title={PrintableASCIIQ}, year={2015}, url={https://reference.wolfram.com/language/ref/PrintableASCIIQ.html}, note=[Accessed: 12-June-2026]}