Fix the regex NUMBER_PATTERN in _input_base.py

[singularitti]

• The pipe | character has no special meaning inside a character class and will be matched literally. Thus, this regex will actually match the | character in those places. It should be [-+] and [EedD] respectively.
• [\.] is indeed redundant, \. should just work.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7a42f10) 89.87% compared to head (8015c45) 89.89%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #72      +/-   ##
==========================================
+ Coverage   89.87%   89.89%   +0.02%     
==========================================
  Files          10       10              
  Lines         464      465       +1     
==========================================
+ Hits          417      418       +1     
  Misses         47       47              

Files	Coverage Δ
src/qe_tools/__init__.py	100.00% <100.00%> (ø)
src/qe_tools/parsers/_input_base.py	88.25% <100.00%> (+0.03%)	⬆️

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[sphuber]

Thanks @singularitti good catch. I looked over the fact that | is a special character but not in a character set. The relevant part of the Python docs:

[]: Used to indicate a set of characters. In a set:
...
Special characters lose their special meaning inside sets. For example, [(+*)] will match any of the literal characters '(', '+', '*', or ')'.