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Diffstat (limited to 'man')
-rw-r--r-- | man/search.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/man/search.texi b/man/search.texi index 0b903701e97..de6cd92849e 100644 --- a/man/search.texi +++ b/man/search.texi @@ -432,6 +432,17 @@ are non-greedy variants of the operators above. The normal operators as they can, while if you append a @samp{?} after them, it makes them non-greedy: they will match as little as possible. +@item \@{n,m\@} +is another postfix operator that specifies an interval of iteration: +the preceding regular expression must match between @samp{n} and +@samp{m} times. If @samp{m} is omitted, then there is no upper bound +and if @samp{,m} is omitted, then the regular expression must match +exactly @samp{n} times. @* +@samp{\@{0,1\@}} is equivalent to @samp{?}. @* +@samp{\@{0,\@}} is equivalent to @samp{*}. @* +@samp{\@{1,\@}} is equivalent to @samp{+}. @* +@samp{\@{n\@}} is equivalent to @samp{\@{n,n\@}}. + @item [ @dots{} ] is a @dfn{character set}, which begins with @samp{[} and is terminated by @samp{]}. In the simplest case, the characters between the two |