traverseda
/
cpython
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Clarify greedy-qualifier example, avoid HTML.

This commit is contained in:
Georg Brandl 2016-04-12 07:51:41 +02:00
parent 247763d64e
commit 7ff033bd62
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Doc/library/re.rst
View File

@ -113,11 +113,11 @@ The special characters are:
``*?``, ``+?``, ``??``
The ``'*'``, ``'+'``, and ``'?'`` qualifiers are all :dfn:`greedy`; they match
as much text as possible. Sometimes this behaviour isn't desired; if the RE
``<.*>`` is matched against ``'<H1>title</H1>'``, it will match the entire
string, and not just ``'<H1>'``. Adding ``'?'`` after the qualifier makes it
``<.*>`` is matched against ``<a> b <c>``, it will match the entire
string, and not just ``<a>``. Adding ``?`` after the qualifier makes it
perform the match in :dfn:`non-greedy` or :dfn:`minimal` fashion; as *few*
characters as possible will be matched. Using ``.*?`` in the previous
expression will match only ``'<H1>'``.
characters as possible will be matched. Using the RE ``<.*?>`` will match
only ``<a>``.
``{m}``
Specifies that exactly *m* copies of the previous RE should be matched; fewer