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Shell Programming and Scripting
Regex with spaces
Post 303015244 by RudiC on Saturday 31st of March 2018 08:41:48 AM
03-31-2018
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LEARN ABOUT DEBIAN
iswupper
ISWUPPER(3) Linux Programmer's Manual ISWUPPER(3) NAME
iswupper - test for uppercase wide character SYNOPSIS
#include <wctype.h> int iswupper(wint_t wc); DESCRIPTION
The iswupper() function is the wide-character equivalent of the isupper(3) function. It tests whether wc is a wide character belonging to the wide-character class "upper". The wide-character class "upper" is a subclass of the wide-character class "alpha", and therefore also a subclass of the wide-character class "alnum", of the wide-character class "graph" and of the wide-character class "print". Being a subclass of the wide-character class "print", the wide-character class "upper" is disjoint from the wide-character class "cntrl". Being a subclass of the wide-character class "graph", the wide-character class "upper" is disjoint from the wide-character class "space" and its subclass "blank". Being a subclass of the wide-character class "alnum", the wide-character class "upper" is disjoint from the wide-character class "punct". Being a subclass of the wide-character class "alpha", the wide-character class "upper" is disjoint from the wide-character class "digit". The wide-character class "upper" contains at least those characters wc which are equal to towupper(wc) and different from towlower(wc). The wide-character class "upper" always contains at least the letters 'A' to 'Z'. RETURN VALUE
The iswupper() function returns nonzero if wc is a wide character belonging to the wide-character class "upper". Otherwise it returns zero. CONFORMING TO
C99. NOTES
The behavior of iswupper() depends on the LC_CTYPE category of the current locale. This function is not very appropriate for dealing with Unicode characters, because Unicode knows about three cases: upper, lower and title case. SEE ALSO
isupper(3), iswctype(3), towupper(3) COLOPHON
This page is part of release 3.44 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
1999-07-25 ISWUPPER(3)