function template
<locale>
std::ispunct
template <class charT> bool ispunct (charT c, const locale& loc);
Check if character is a punctuation character using locale
Checks whether c is a punctuation character using the ctype facet of locale loc, returning the same as if ctype::is is called as:
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| use_facet < ctype<charT> > (loc).is (ctype_base::punct, c)
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This function template overloads the C function ispunct (defined in <cctype>).
Parameters
- c
- Character to be checked.
- loc
- Locale to be used. It shall have a ctype facet.
The template argument charT is the character type.
Return Value
true if indeed c is a punctuation character.
false otherwise.
Example
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| // ispunct example (C++) #include <iostream> // std::cout #include <string> // std::string #include <locale> // std::locale, std::ispunct int main () { std::locale loc; std::string str="Hello, welcome!"; int cx = 0; for (std::string::iterator it = str.begin(); it!=str.end(); ++it) if ( std::ispunct(*it,loc) ) ++cx; std::cout << "The sentence contains " << cx << " punctuation characters.\n"; return 0; }
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Output:
The sentence contains 2 punctuation characters. |
Data races
Both loc and its ctype facet are accessed.
Exception safety
Strong guarantee: if an exception is thrown, there are no effects.
See also
- ctype
- Character type facet (class template)
- ispunct (cctype)
- Check if character is a punctuation character (function)
- isgraph
- Check if character has graphical representation using locale (function template)
- iscntrl
- Check if character is a control character using locale (function template)