View source code
Display the source code in std/ascii.d from which this page was generated on
github.
Improve this page
Quickly fork, edit online, and submit a pull request for this page.
Requires a signed-in GitHub account. This works well for small changes.
If you'd like to make larger changes you may want to consider using
local clone.
Page wiki
View or edit the community-maintained wiki page associated with this page.
Function std.ascii.isPunctuation
Prototype
bool isPunctuation( dchar c ) pure nothrow @nogc @safe;
Parameters
Name | Description |
---|---|
c | The character to test. |
Returns
Whether or not
is a punctuation character. That includes
all ASCII characters which are not control characters, c
letters
, digits
, or
whitespace
.
Example
assert( isPunctuation('.')); assert( isPunctuation(',')); assert( isPunctuation(':')); assert( isPunctuation('!')); assert( isPunctuation('#')); assert( isPunctuation('~')); assert( isPunctuation('+')); assert( isPunctuation('_')); assert(!isPunctuation('1')); assert(!isPunctuation('a')); assert(!isPunctuation(' ')); assert(!isPunctuation('\n')); assert(!isPunctuation('\0')); // N.B.: Non-ASCII Unicode punctuation characters are not recognized. assert(!isPunctuation('\u2012')); // (U+2012 = en-dash)
Authors
Walter Bright and Jonathan M Davis