How to match an ip address in mysql?

Question

For example, I am having a column storing data like this.

Apple
12.5.126.40
Smite
Abby
127.0.0.1
56.5.4.8
9876543210
Notes

How to select ou

Answer 1

Lengthy but works fine:

mysql> SELECT '1.0.0.127' regexp '^([0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])\\.([0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])\\.([0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])\\.([0-1]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])$';