diff options
Diffstat (limited to 'Doc/lib/libre.tex')
| -rw-r--r-- | Doc/lib/libre.tex | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex index 26fbb5e..ac2fc74 100644 --- a/Doc/lib/libre.tex +++ b/Doc/lib/libre.tex @@ -371,10 +371,23 @@ character properties database. \item[\code{\e Z}]Matches only at the end of the string. -\item[\code{\e \e}] Matches a literal backslash. - \end{list} +Most of the standard escapes supported by Python string literals are +also accepted by the regular expression parser: + +\begin{verbatim} +\a \b \f \n +\r \t \v \x +\\ +\end{verbatim} + +Note that octal escapes are not included. While the parser can +attempt to determine whether a character is being specified by it's +ordinal value expressed in octal, doing so yields an expression which +is relatively difficult to maintain, as the same syntax is used to +refer to numbered groups. + \subsection{Matching vs. Searching \label{matching-searching}} \sectionauthor{Fred L. Drake, Jr.}{fdrake@acm.org} @@ -544,6 +557,13 @@ ignored. \versionadded{1.5.2} \end{funcdesc} +\begin{funcdesc}{finditer}{pattern, string} + Return an iterator over all non-overlapping matches for the RE + \var{pattern} in \var{string}. For each match, the iterator returns + a match object. Empty matches are included in the result. + \versionadded{2.2} +\end{funcdesc} + \begin{funcdesc}{sub}{pattern, repl, string\optional{, count}} Return the string obtained by replacing the leftmost non-overlapping occurrences of \var{pattern} in \var{string} by the replacement @@ -670,6 +690,10 @@ Identical to the \function{split()} function, using the compiled pattern. Identical to the \function{findall()} function, using the compiled pattern. \end{methoddesc} +\begin{methoddesc}[RegexObject]{finditer}{string} +Identical to the \function{finditer()} function, using the compiled pattern. +\end{methoddesc} + \begin{methoddesc}[RegexObject]{sub}{repl, string\optional{, count\code{ = 0}}} Identical to the \function{sub()} function, using the compiled pattern. \end{methoddesc} |