[BusyBox] expr: use POSIX regex [PATCH]

[Rob Landley]

On Tuesday 05 April 2005 01:48 pm, Shaun Jackman wrote:
> This patch modfies expr to use portable POSIX regex rather than BSD regex.

Sounds cool.  Is there a functional difference, or is this just syntax?  (I 
suspect that in uclibc both are wrappers over the same functionality, but 
haven't confirmed it.)

I just checked, and sed.c is using the posix regex already...

Rob