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regex check number

YOU.com answered on October 24, 2020 Popularity 9/10 Helpfulness 4/10

answer regex check number

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regex check number

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import re

def check_number(string):
    pattern = r'\d+'  # The regular expression pattern to match any number
    match = re.search(pattern, string)
    
    if match:
        return True  # String contains a number
    else:
        return False  # String does not contain a number

# Example usage:
print(check_number("Hello, world!"))  # False
print(check_number("The answer is 42."))  # True
print(check_number("123456789"))  # True

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Contributed on Sep 12 2023

YOU.com

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For matching an integer number of one single char/digit, specify:
[0-9]
But for matching any number of more than one char/digit; add "+":
[0-9]+
Example for matching hour with minutes of HH:MM format in a file:
grep "[0-9]\+\:[0-9]\+" file.txt

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Contributed on Oct 24 2020

Armandres

0 Answers Avg Quality 2/10

regex check number

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