isnumber

Similar to isletter for numbers.

Version 1.0.0.0 (1.21 KB)
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24 Jun 2005

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Similar to isletter. Returns a vector the same length as the input string but with a true for each character that is a number and false otherwise.

The test here is for the ascii character set, so char(48:57) qualifies.

Cite As

Ben Barrowes (2026). isnumber (https://www.mathworks.com/matlabcentral/fileexchange/7898-isnumber), MATLAB Central File Exchange. Retrieved .

Categories

Find more on Characters and Strings in Help Center and MATLAB Answers

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
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Version Published Release Notes
1.0.0.0