Is there a maintenance script that can change all links on pages after a changing the name of a namespace?

Question

Currently, we have about 100 pages under a certain namespace, let's say 'Foo:'. Much more pages contain references to such pages, like so: [[Foo:Hello|Hello]]. If we change the namespace from 'Foo:' to 'Foo2:', all links like [[Foo:Hello|Hello]] are broken because they should now be [[Foo2:Hello|Hello]].

Before I manually search for all such broken links, is there a maintenance script that can be used?

Answer 1

Why don't you just set $wgNamespaceAliases['Old namespace name'] = NS_WHATEVER_NAMESPACE?

Answer 2

Extension:Replace Text will do that