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Understanding Regular Expressions with `re` in Python

Tutorial October 24, 2024
python

  • r"[+-]?\d+": Matches signed or unsigned integers.
  • r"[+-]?\d+(\.\d+)?": Matches signed or unsigned floating-point numbers and integers.
  • r"\+?\d+(\.\d+)?": Matches only positive numbers (with or without a +).

These patterns, combined with the re.findall() function, allow you to efficiently extract numerical data from any string.

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