[Python-checkins] cpython (3.1): Fix issue11283 - Clarifying a re pattern in the re module docs for conditional

[senthil.kumaran]

http://hg.python.org/cpython/rev/d676601fee6f
changeset:   68391:d676601fee6f
branch:      3.1
parent:      68384:f040a34102de
user:        Senthil Kumaran <orsenthil at gmail.com>
date:        Sat Mar 12 11:40:25 2011 +0800
summary:
  Fix issue11283 - Clarifying a re pattern in the re module docs for conditional regex

files:
  Doc/library/re.rst

diff --git a/Doc/library/re.rst b/Doc/library/re.rst
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -295,11 +295,12 @@
    match at the beginning of the string being searched.
 
 ``(?(id/name)yes-pattern|no-pattern)``
-   Will try to match with ``yes-pattern`` if the group with given *id* or *name*
-   exists, and with ``no-pattern`` if it doesn't. ``no-pattern`` is optional and
-   can be omitted. For example,  ``(<)?(\w+@\w+(?:\.\w+)+)(?(1)>)`` is a poor email
-   matching pattern, which will match with ``'<user at host.com>'`` as well as
-   ``'user at host.com'``, but not with ``'<user at host.com'``.
+   Will try to match with ``yes-pattern`` if the group with given *id* or
+   *name* exists, and with ``no-pattern`` if it doesn't. ``no-pattern`` is
+   optional and can be omitted. For example,
+   ``(<)?(\w+@\w+(?:\.\w+)+)(?(1)>|$)`` is a poor email matching pattern, which
+   will match with ``'<user at host.com>'`` as well as ``'user at host.com'``, but
+   not with ``'<user at host.com'`` nor ``'user at host.com>'`` .
 
 
 The special sequences consist of ``'\'`` and a character from the list below.

-- 
Repository URL: http://hg.python.org/cpython