A wrapper around re and regex that adds additional back references.

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Backrefs

Backrefs is a wrapper around Python's built-in Re and the 3rd party Regex library. Backrefs adds various additional back references (and a couple other features) that are known to some regular expression engines, but not to Python's Re and/or Regex. The supported back references actually vary depending on the regular expression engine being used as the engine may already have support for some.

from backrefs import bre
>>> pattern = bre.compile(r'(\p{Letter}+)')
>>> pattern.sub(r'\C\1\E', 'sometext')
'SOMETEXT'

Documentation

https://facelessuser.github.io/backrefs/

License

Released under the MIT license.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Release history Release notifications | RSS feed

5.7.post1

Jun 16, 2024

5.6.post1

Sep 2, 2023

5.6

Sep 2, 2023

5.5.1

Aug 30, 2023

5.5

Jun 15, 2023

5.4

Oct 27, 2022

5.3

May 21, 2022

5.2

Nov 2, 2021

5.1

Oct 20, 2021

5.0.1

Jan 23, 2021

This version

5.0

Jan 22, 2021

4.6

Jan 9, 2021

4.5

Aug 14, 2020

4.4

Jun 30, 2020

4.3

Jan 19, 2020

4.2.1

Nov 14, 2019

4.2

Aug 4, 2019

4.1.1

May 11, 2019

4.1

Mar 23, 2019

4.0.2

Feb 20, 2019

4.0.1

Feb 7, 2019

4.0

Dec 2, 2018

3.6

Dec 2, 2018

3.5.2

Aug 10, 2018

3.5.1

Jun 4, 2018

3.5

Mar 14, 2018

3.4

Mar 8, 2018

3.3

Feb 27, 2018

3.2.1

Feb 26, 2018

3.2

Feb 26, 2018

3.1.2

Feb 12, 2018

3.1.1

Feb 12, 2018

3.1

Feb 11, 2018

3.0.5

Feb 10, 2018

3.0.4

Feb 9, 2018

3.0.3

Jan 28, 2018

3.0.2

Jan 23, 2018

3.0.1

Jan 21, 2018

3.0

Jan 20, 2018

2.3rc1 pre-release

Jan 19, 2018

2.3b5 pre-release

Jan 17, 2018

2.3b4 pre-release

Jan 16, 2018

2.3b3 pre-release

Jan 15, 2018

2.3b2 pre-release

Jan 14, 2018

2.3b1 pre-release

Jan 13, 2018

2.2

Dec 11, 2017

2.1

Sep 30, 2017

2.1b2 pre-release

Sep 29, 2017

2.1b1 pre-release

Sep 28, 2017

1.0.2

Aug 6, 2017

1.0.1

Jan 17, 2017

1.0.post1

May 4, 2016

1.0

May 2, 2016

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