From 9479c958c517a719f98b23f435604d0fc2f83fe2 Mon Sep 17 00:00:00 2001 From: Fred Drake Date: Tue, 5 Mar 2002 04:02:39 +0000 Subject: Remove extra indenatation from sample interpreter session. Remove whitespace from the middle of an inline RE example; it was OK for the typeset formats, but LaTeX2HTML is more touchy about this. --- Doc/lib/libre.tex | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex index ab51c10..ca829df 100644 --- a/Doc/lib/libre.tex +++ b/Doc/lib/libre.tex @@ -857,17 +857,17 @@ of backtracking, you may encounter a RuntimeError exception with the message \code{maximum recursion limit exceeded}. For example, \begin{verbatim} - >>> s = "<" + "that's a very big string!"*1000 + ">" - >>> re.match('<.*?>', s) - Traceback (most recent call last): - File "", line 1, in ? - File "/usr/local/lib/python2.3/sre.py", line 132, in match - return _compile(pattern, flags).match(string) - RuntimeError: maximum recursion limit exceeded +>>> s = "<" + "that's a very big string!"*1000 + ">" +>>> re.match('<.*?>', s) +Traceback (most recent call last): + File "", line 1, in ? + File "/usr/local/lib/python2.3/sre.py", line 132, in match + return _compile(pattern, flags).match(string) +RuntimeError: maximum recursion limit exceeded \end{verbatim} You can often restructure your regular expression to avoid backtracking. -The above regular expression can be recast as \regexp{\textless -[\textasciicircum \textgreater]*\textgreater}. As a further -benefit, such regular expressions will run faster than their backtracking -equivalents. +The above regular expression can be recast as +\regexp{\textless[\textasciicircum \textgreater]*\textgreater}. As a +further benefit, such regular expressions will run faster than their +backtracking equivalents. -- cgit v0.12