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Strings & text

Format, split, join, parse, and clean text — everyday Python string patterns.

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Strings & text easy

How to Extract Digits Only from a String in Python

This code uses a regular expression to remove all non-digit characters from a mixed string, returning only the digits.

regex string manipulation data cleaning
Python 
import re

def extract_digits(text):
    """Return only the digits from the given text as a string."""
    return re.sub(r'\D', '', text)

if __name__ == "__main__":
    mixed = "abc123def456!@#789"
    result = extract_digits(mixed)
    print(result)
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