How we can find domain name using MySQL and regular expression

Question

i am having some list of domains in the DB,like

http://www.masn.com/index.html
http://www.123musiq.com/index.html etc

w

Answer 1

use substring_index

http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_substring-index

like

SELECT  SUBSTRING_INDEX(urlfield, '/', 1) from mytable