diff options
Diffstat (limited to 'Doc/libregex.tex')
| -rw-r--r-- | Doc/libregex.tex | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Doc/libregex.tex b/Doc/libregex.tex index ee1563d..bf937f2 100644 --- a/Doc/libregex.tex +++ b/Doc/libregex.tex @@ -3,7 +3,17 @@ \bimodindex{regex} This module provides regular expression matching operations similar to -those found in Emacs. It is always available. +those found in Emacs. + +\strong{Obsolescence note:} +This module is obsolete as of Python version 1.5; it is still being +maintained because much existing code still uses it. All new code in +need of regular expressions should use the new \code{re} module, which +supports the more powerful and regular Perl-style regular expressions. +Existing code should be converted. The standard library module +\code{reconvert} helps in converting \code{regex} style regular +expressions to \code{re} style regular expressions. (The interfaces +are different too, so the conversion cannot be fully automated.) By default the patterns are Emacs-style regular expressions (with one exception). There is |