D
Language
Phobos
Comparisons
object
std
std.base64
std.bitarray
std.boxer
std.compiler
std.conv
std.ctype
std.date
std.demangle
std.file
std.format
std.gc
std.intrinsic
std.math
std.md5
std.mmfile
std.openrj
std.outbuffer
std.path
std.process
std.random
std.recls
std.regexp
std.socket
std.socketstream
std.stdint
std.stdio
std.cstream
std.stream
std.string
std.system
std.thread
std.uni
std.uri
std.utf
std.zip
std.zlib
std.windows
std.linux
std.c
std.c.stdio
std.c.windows
std.c.linux
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std.ctype
- int isalnum(dchar c)
- Returns !=0 if c is a letter or a digit.
- int isalpha(dchar c)
- Returns !=0 if c is an upper or lower case letter.
- int iscntrl(dchar c)
- Returns !=0 if c is a control character.
- int isdigit(dchar c)
- Returns !=0 if c is a digit.
- int isgraph(dchar c)
- Returns !=0 if c is a printing character except for the space character.
- int islower(dchar c)
- Returns !=0 if c is lower case.
- int isprint(dchar c)
- Returns !=0 if c is a printing character or a space.
- int ispunct(dchar c)
- Returns !=0 if c is a punctuation character.
- int isspace(dchar c)
- Returns !=0 if c is a space, tab, vertical tab, form feed,
carriage return, or linefeed.
- int isupper(dchar c)
- Returns !=0 if c is an upper case character.
- int isxdigit(dchar c)
- Returns !=0 if c is a hex digit (0..9, a..f, A..F).
- int isascii(dchar c)
- Returns !=0 if c is in the ascii character set.
- dchar tolower(dchar c)
- If c is upper case, return the lower case equivalent,
otherwise return c.
- dchar toupper(dchar c)
- If c is lower case, return the upper case equivalent,
otherwise return c.
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