diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/re.rst | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index f466614..9399a49 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -460,19 +460,23 @@ form. The sequence :: - prog = re.compile(pat) - result = prog.match(str) + prog = re.compile(pattern) + result = prog.match(string) is equivalent to :: - result = re.match(pat, str) + result = re.match(pattern, string) - but the version using :func:`compile` is more efficient when the expression - will be used several times in a single program. + but using :func:`compile` and saving the resulting regular expression object + for reuse is more efficient when the expression will be used several times + in a single program. - .. (The compiled version of the last pattern passed to :func:`re.match` or - :func:`re.search` is cached, so programs that use only a single regular - expression at a time needn't worry about compiling regular expressions.) + .. note:: + + The compiled versions of the most recent patterns passed to + :func:`re.match`, :func:`re.search` or :func:`re.compile` are cached, so + programs that use only a few regular expressions at a time needn't worry + about compiling regular expressions. .. data:: A |