Namespaces
Variants

    cpp/string/byte/isxdigit: Difference between revisions

    From cppreference.com
    ← Older editNewer edit →
    P12bot (talk | contribs)
    Bots
    111,718 edits
    m Text replace - "<!-- ======== --> " to ""
    No edit summary
    Line 5: Line 5:
    }}
    }}


    Checks if the given character is a hexadecimal numeric character ({{tt|0123456789abcdefABCDEF}}).
    Checks if the given character is a hexadecimal numeric character ({{tt|0123456789abcdefABCDEF}}).


    ===Parameters===
    ===Parameters===

    Revision as of 21:52, 2 September 2011

    Template:cpp/string/narrow/sidebar

    Defined in header <cctype> 
    int isxdigit( int ch );

    Checks if the given wide character is a hexadecimal numeric character (0123456789abcdefABCDEF).

    Parameters

    ch - character

    Return value

    non-zero value (Template:cpp) if the character is an hexadecimal numeric character, 0 (Template:cpp) otherwise.

    See also

    ASCII values characters

    iscntrl
    iswcntrl

    isprint
    iswprint

    isspace
    iswspace

    isblank
    iswblank

    isgraph
    iswgraph

    ispunct
    iswpunct

    isalnum
    iswalnum

    isalpha
    iswalpha

    isupper
    iswupper

    islower
    iswlower

    isdigit
    iswdigit

    isxdigit
    iswxdigit

    decimal hexadecimal octal
    0–8 \x0–\x8 \0–\10 control codes (NUL, etc.) ≠0 0 0 0 0 0 0 0 0 0 0 0
    9 \x9 \11 tab (\t) ≠0 0 ≠0 ≠0 0 0 0 0 0 0 0 0
    10–13 \xA–\xD \12–\15 whitespaces (\n, \v, \f, \r) ≠0 0 ≠0 0 0 0 0 0 0 0 0 0
    14–31 \xE–\x1F \16–\37 control codes ≠0 0 0 0 0 0 0 0 0 0 0 0
    32 \x20 \40 space 0 ≠0 ≠0 ≠0 0 0 0 0 0 0 0 0
    33–47 \x21–\x2F \41–\57 !"#$%&'()*+,-./ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    48–57 \x30–\x39 \60–\71 0123456789 0 ≠0 0 0 ≠0 0 ≠0 0 0 0 ≠0 ≠0
    58–64 \x3A–\x40 \72–\100 :;<=>?@ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    65–70 \x41–\x46 \101–\106 ABCDEF 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 ≠0
    71–90 \x47–\x5A \107–\132 GHIJKLMNOP
    QRSTUVWXYZ     		0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 0
    91–96 \x5B–\x60 \133–\140 [\]^_` 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    97–102 \x61–\x66 \141–\146 abcdef 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 ≠0
    103–122 \x67–\x7A \147–\172 ghijklmnop
    qrstuvwxyz     		0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 0
    123–126 \x7B–\x7E \172–\176 {|}~ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
    127 \x7F \177 backspace character (DEL) ≠0 0 0 0 0 0 0 0 0 0 0 0