diff options
Diffstat (limited to 'Doc/lib')
| -rw-r--r-- | Doc/lib/libregex.tex | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Doc/lib/libregex.tex b/Doc/lib/libregex.tex index 18b8b18..e6fd708 100644 --- a/Doc/lib/libregex.tex +++ b/Doc/lib/libregex.tex @@ -136,8 +136,10 @@ be used inside groups (see below) as well. \item[\code{\e( \e)}] Indicates the start and end of a group; the contents of a group can be matched later in the string with the \code{\e [1-9]} special sequence, described next. -% -\fulllineitems\item[\code{\e \e 1, ... \e \e 7, \e 8, \e 9}] +\end{itemize} + +\begin{fulllineitems} +\item[\code{\e \e 1, ... \e \e 7, \e 8, \e 9}] Matches the contents of the group of the same number. For example, \code{\e (.+\e ) \e \e 1} matches 'the the' or '55 55', but not 'the end' (note the space after the group). This @@ -145,7 +147,9 @@ special sequence can only be used to match one of the first 9 groups; groups with higher numbers can be matched using the \code{\e v} sequence. (\code{\e 8} and \code{\e 9} don't need a double backslash because they are not octal digits.) -% +\end{fulllineitems} + +\begin{itemize} \item[\code{\e \e b}] Matches the empty string, but only at the beginning or end of a word. A word is defined as a sequence of alphanumeric characters, so the end of a word is indicated by |