find and replace the string within a column

Hi, <br /><br />the data in my table, have a substring enclosed in parenthesis, <br /><br />1. i want to replace the
stringwith the brackets to null or any other value.<br />2. remove the contents within brackets.<br /><br />Example:
<br/> table name person:<br /><br />name<br />------------------------------------<br />Samuel (S/o Sebastin )<br
/>-------------------------------------<br/><br />remove the word within the brackets.<br />the output should be ,
Samuel.<br/><br /> the below one help's me to find the data within the two brackets.<br /><br />SELECT
name,(REGEXP_MATCHES(name,E'\\(.+?\\)'))[1] from person;<br />regexp_matches<br />
------------------------------------<br/> (S/o Sebastin )<br /> -------------------------------------<br /><br
/>-NicholasI<br /><br /><br />