Skip to content

bpo-30021: Add examples for re.escape(). #1048

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
serhiy-storchaka merged 3 commits into from
Apr 13, 2017
Merged

bpo-30021: Add examples for re.escape(). #1048

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
b0c84fe
bpo-30021: Add examples for re.escape().
serhiy-storchaka Apr 8, 2017
29be5c4
Add susp-ignored entries.
serhiy-storchaka Apr 12, 2017
2078bb5
Fix the parameter name.
serhiy-storchaka Apr 13, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Next Next commit
bpo-30021: Add examples for re.escape().
  • Loading branch information
@serhiy-storchaka
serhiy-storchaka committed Apr 8, 2017
commit b0c84fe6568663bf92fbf7ec340ca052f93cfabb
13 changes: 12 additions & 1 deletion Doc/library/re.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -788,7 +788,18 @@ form.

Escape all the characters in pattern except ASCII letters, numbers and ``'_'``.
This is useful if you want to match an arbitrary literal string that may
have regular expression metacharacters in it.
have regular expression metacharacters in it. For example::

>>> print(re.escape('python.exe'))
python\.exe

>>> legal_chars = string.ascii_lowercase + string.digits + "!#$%&'*+-.^_`|~:"
>>> print('[%s]+' % re.escape(legal_chars))
[abcdefghijklmnopqrstuvwxyz0123456789\!\#\$\%\&\'\*\+\-\.\^_\`\|\~\:]+

>>> operators = ['+', '-', '*', '/', '**']
>>> print('|'.join(map(re.escape, sorted(operators, reverse=True))))
\/|\-|\+|\*\*|\*

.. versionchanged:: 3.3
The ``'_'`` character is no longer escaped.
Expand Down