[FIX] If the input of a string started with a plugin's entity key, it would not replace the entity into the input because the strpos was "0", or false.
[FIX] If the input of a string started with a plugin's entity key, it would not replace the entity into the input because the strpos was "0", or false.

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@43097 b456876b-0849-0410-b77d-98878d47e9d5

changi67/tiki,oregional/tiki,oregional/tiki,changi67/tiki,changi67/tiki,changi67/tiki,oregional/tiki,tikiorg/tiki,changi67/tiki,tikiorg/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki