diff options
| -rw-r--r-- | Doc/library/re.rst | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index 49c241d..1d90f79 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -295,11 +295,12 @@ The special characters are: 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@host.com>'`` as well as - ``'user@host.com'``, but not with ``'<user@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@host.com>'`` as well as ``'user@host.com'``, but + not with ``'<user@host.com'`` nor ``'user@host.com>'`` . The special sequences consist of ``'\'`` and a character from the list below. |