Sounds like a weird thing to want to do, but this will do it:
preg_replace('/(\w)\1$/','2',$str)
-Rasmus
On Wed, 12 Jun 2002, Zac Hillier wrote:
> Does anyone know how I can use preg or any other function to identify a
> double letter on the end of a string and then replace it.
>
> So 'foo' would become 'f2' and 'bar' would not change.
>
> Thanks
>
> Zac
>
>
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