Codecov Report

Merging #340 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #340      +/-   ##
==========================================
+ Coverage   97.61%   97.61%   +<.01%     
==========================================
  Files          20       20              
  Lines        1674     1677       +3     
==========================================
+ Hits         1634     1637       +3     
  Misses         40       40

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Please, see https://dateparser.readthedocs.io/en/latest/contributing.html#guidelines-for-editing-translation-data

The reason behind this is that he relative-time parser is applied before the absolute-time parser... so it could be fixed by using the PARSERS settings, either deleting the relative-time parser or putting it in the last position.
i.e.:

dateparser.parse('2000 год', settings={'PARSERS': ['timestamp', 'custom-formats', 'absolute-time', 'base-formats', 'relative-time']})

Your approach is not good because we can't hardcode that regex there and would have side effects for other languages. However, the issue is still valid.

We could probably add a regex into the ru.yaml file.

Maybe a simplification as - (\d+)\s*год: \1 would work, however, I can't speak Russian and I don't know if we should add something more, as it could be that with other following or preceding words (as "ago" or "in") this simplification shouldn't be applied.