Regular expression for validating ip address tintasziv online dating

27-Nov-2017 17:36

regular expression for validating ip address-3

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You need to detect if the text contained in each of the lines represents an (a)IPv4 address (b)IPv6 address or (c)None of these. IPv6, with 128 bits was developed to permit the expansion of the address space.

In Python you need the re module for regular expressions usage.The following bash script contains a bash function which returns true if it is passed a valid IP address and false otherwise.In bash speak true means it exits with a zero status, anything else is false.And a combination of IPv4/ IPv6 addresses would indeed make things interesting.

Add the mundane alphanumeric DNS names and you have a real stew of messy, unpredicatable code! D where A, B, C and D are Integers lying between 0 and 255 (both inclusive).