diff options
Diffstat (limited to 'lib/libc/regex/re_format.7')
| -rw-r--r-- | lib/libc/regex/re_format.7 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libc/regex/re_format.7 b/lib/libc/regex/re_format.7 index d4555a0..463c6a2 100644 --- a/lib/libc/regex/re_format.7 +++ b/lib/libc/regex/re_format.7 @@ -288,6 +288,14 @@ These stand for the character classes defined in A locale may provide others. A character class may not be used as an endpoint of a range. .Pp +A bracketed expression like +.Ql [[:class:]] +can be used to match a single character that belongs to a character +class. +The reverse, matching any character that does not belong to a specific +class, the negation operator of bracket expressions may be used: +.Ql [^[:class:]] . +.Pp There are two special cases\(dd of bracket expressions: the bracket expressions .Ql [[:<:]] |
