is_number() [2/2]

template<typename type_t >

static bool xtd::box_char< type_t >::is_number ( const string &  s, size_t  index  )

inlinestatic

Indicates whether the character at the specified position in a specified string is categorized as a number.

Parameters

s	A string.
index	The position of the character to evaluate in s.

Returns

true if the character at position index in s is a number; otherwise, false.

Exceptions

xtd::argument_out_of_range_exception

index is greater than the last position in s.