recently introduced egrep problem

[rick lavery]

Up until a recent release of grep I could execute this command in
cygwin and it worked without any problems.

echo 20081013193545 | egrep -Eo '[0-9]{1,2}'

This same command still works on other distributions such as centos,
rhel4, rhel5, fedora core 9, etc.

in cygwin:
$ echo 20081013193545 | egrep -Eo '[0-9]{1,2}'
egrep: unknown option -- E
Usage: egrep [OPTION]... PATTERN [FILE]...
Try `egrep --help' for more information.

in other distros:
$ echo 20081013193545 | egrep -Eo '[0-9]{1,2}'
20
08
10
13
19
35
45

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