PYTHON

extract numbers from string python

# Python program to extract digits from string

# take string
string = "kn4ow5pro8am2"

# print original string
print("The original string:", string)

# using join() + filter() + isdigit()
num = ''.join(filter(lambda i: i.isdigit(), string))

# print extract digits
print("Extract Digits:", num)

How to extract numbers from a string in Python?

>>> import re
>>> re.findall(r'd+', "hello 42 I'm a 32 string 30")
['42', '32', '30']

python extract all numbers from string re

>>> str = "h3110 23 cat 444.4 rabbit 11 2 dog"
>>> [int(s) for s in str.split() if s.isdigit()]
[23, 11, 2]