Transform all text links into actual links

[p2pcasper]

How can I transform all text links in a page into actual links?For example, I want to change all text links like this:\[code\]<p>http://www.google.com</p>\[/code\]or in a table like this:\[code\]<td>http://www.google.com</td>\[/code\]into this: \[code\]<a href="http://www.google.com">http://www.google.com</a>\[/code\]and this:\[code\]<td><a href="http://www.google.com">http://www.google.com</a></td>\[/code\]