python-regexHow to get a number from a string with regex in Python?

Regex (Regular Expression) is a powerful tool for string manipulation in Python. It can be used to extract a number from a string.

Example code

import re

string = 'The number is 1234'

# Extract the number
number = re.findall('\d+', string)

# Print the number
print(number)

Output example

['1234']

Code explanation

• import re: imports the regex module
• re.findall('\d+', string): searches for one or more digits in the string and returns a list of matches
• print(number): prints the extracted number

Helpful links

• Python Regex Tutorial
• Python Regex Cheat Sheet

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