ChrIsNumber
Tests if a character represents a number.
Syntax
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ChrIsNumber(c)-
cis a character (string of length 1)
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Description
ChrIsNumber(c) returns true iff c is a character that represents a number, not necessarily a digit.
Examples
∀("75610½¼¾⅛፹Ⅳ⑭〤", ChrIsNumber)
true