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| author | Stevoisiak <S.Vascellaro@gmail.com> | 2024-02-17 08:33:28 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-02-17 08:33:28 (GMT) |
| commit | d2d78088530433f475d9304104bbc0dac2536edd (patch) | |
| tree | edc7e3e849e82f9e7c18551e76041b4612a3ebf1 | |
| parent | 73e8637002639e565938d3f205bf46e7f1dbd6a8 (diff) | |
| download | cpython-d2d78088530433f475d9304104bbc0dac2536edd.zip cpython-d2d78088530433f475d9304104bbc0dac2536edd.tar.gz cpython-d2d78088530433f475d9304104bbc0dac2536edd.tar.bz2 | |
gh-101699: Explain using Match.expand with \g<0> (GH-101701)
Update documentation for re library to explain that a backreference `\g<0>` is
expanded to the entire string when using Match.expand().
Note that numeric backreferences to group 0 (`\0`) are not supported.
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
| -rw-r--r-- | Doc/library/re.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index a5bd5c7..0336121 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -1344,7 +1344,8 @@ when there is no match, you can test whether there was a match with a simple Escapes such as ``\n`` are converted to the appropriate characters, and numeric backreferences (``\1``, ``\2``) and named backreferences (``\g<1>``, ``\g<name>``) are replaced by the contents of the - corresponding group. + corresponding group. The backreference ``\g<0>`` will be + replaced by the entire match. .. versionchanged:: 3.5 Unmatched groups are replaced with an empty string. |