isdigit

Locale Convenience Function

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Determines if a character is a decimal digit.

None

#include <locale>

template <class charT> 
bool isdigit (charT c, const locale& loc) const;

The isdigit function returns true if the character passed as a parameter is a decimal digit. Otherwise the function returns false. The check is made using the ctype facet from the locale parameter.

other is functions, locale, ctype