ucp_isdigit_ascii()

int Chusov::String::ucp_isdigit_ascii ( ucp_t  ch )

noexcept

Returns a flag that indicates whether a given character is a digit character in the ASCII code space.

Parameters

ch	is the character to check.

Returns

A nonzero value, if ch is an ASCII decimal digit character, i.e. belongs to the range \(\left[\textrm{0x30}; \textrm{0x39}\right]\). Otherwise, the function returns a zero value.

The function repeats the standard library isdigit function.

See also

ucp_isdigit Same, but checks the whole Unicode 11.0 code space except for surrogate pairs.