iswalnum
Материал из cppreference.com
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| Заголовочный файл <wctype.h>
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| int iswalnum( wint_t ch ); |
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Проверяет, является ли данная широкий характер алфавитно-цифровых символов, то есть либо номер (
0123456789), буквы в верхнем регистре (ABCDEFGHIJKLMNOPQRSTUVWXYZ), строчными буквами (abcdefghijklmnopqrstuvwxyz) или любой алфавитно-цифровой символ, характерные для текущей локали.Original:
Checks if the given wide character is an alphanumeric character, i.e. either a number (
0123456789), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz) or any alphanumeric character specific to the current locale.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[править] Параметры
| ch | - | широкий характер
Original: wide character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[править] Возвращаемое значение
Номера для нулевого значения (true), если широкий характер алфавитно-цифровых символов,
0 (false) в противном случае.Original:
Non-zero value (true) if the wide character is a alphanumeric character,
0 (false) otherwise.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[править] См. также
| проверяет, является ли символ буквой или цифрой (функция) | |
| C++ документация для iswalnum
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| ASCII-значения (шестандатеричные) |
символы |
isalnum |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0–8 | 0x00–0x08
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управляющие коды (NUL и т.п.)
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 9 | 0x09
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символ табуляции (\t)
|
≠0
|
0
|
≠0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 10–13 | 0x0A–0x0D
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пробельные символы (\n,\v,\f,\r)
|
≠0
|
0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 14–31 | 0x0E–0x1F
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управляющие коды | ≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 32 | 0x20
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пробел | 0
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≠0
|
≠0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
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| 33–47 | 0x21–0x2F
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!"#$%&'()*+,-./
|
0
|
≠0
|
0
|
0
|
≠0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
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| 48–57 | 0x30–0x39
|
0123456789
|
0
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≠0
|
0
|
0
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≠0
|
0
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≠0
|
0
|
0
|
0
|
≠0
|
≠0
|
| 58–64 | 0x3a–0x40
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:;<=>?@
|
0
|
≠0
|
0
|
0
|
≠0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 65–70 | 0x41–0x46
|
ABCDEF
|
0
|
≠0
|
0
|
0
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≠0
|
0
|
≠0
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≠0
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≠0
|
0
|
0
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≠0
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| 71–90 | 0x47–0x5A
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GHIJKLMNOPQRSTUVWXYZ
|
0
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≠0
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0
|
0
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≠0
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0
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≠0
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≠0
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≠0
|
0
|
0
|
0
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| 91–96 | 0x5B–0x60
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[\]^_`
|
0
|
≠0
|
0
|
0
|
≠0
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≠0
|
0
|
0
|
0
|
0
|
0
|
0
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| 97–102 | 0x61–0x66
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abcdef
|
0
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≠0
|
0
|
0
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≠0
|
0
|
≠0
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≠0
|
0
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≠0
|
0
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≠0
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| 103–122 | 0x67–0x7A
|
ghijklmnopqrstuvwxyz
|
0
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≠0
|
0
|
0
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≠0
|
0
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≠0
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≠0
|
0
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≠0
|
0
|
0
|
| 123–126 | 0x7B–0x7E
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{|}~
|
0
|
≠0
|
0
|
0
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≠0
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≠0
|
0
|
0
|
0
|
0
|
0
|
0
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| 127 | 0x7F
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backspace-символ (DEL)
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≠0
|
0
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0
|
0
|
0
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0
|
0
|
0
|
0
|
0
|
0
|
0
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