CODE EXAMPLE FOR PYTHON

python regex to match ip address

# Python program to validate an Ip address
 
# re module provides support
# for regular expressions
import re
 
# Make a regular expression
# for validating an Ip-address
regex = "^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9]).){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$"
 
 
     
# Define a function for
# validate an Ip address
def check(Ip):
 
    # pass the regular expression
    # and the string in search() method
    if(re.search(regex, Ip)):
        print("Valid Ip address")
         
    else:
        print("Invalid Ip address")
     
 
# Driver Code
if __name__ == '__main__' :
     
    # Enter the Ip address
    Ip = "192.168.0.1"
     
    # calling run function
    check(Ip)
 
    Ip = "110.234.52.124"
    check(Ip)
 
    Ip = "366.1.2.2"
    check(Ip)