On Sun, Dec 4, 2011 at 12:07 AM, Richard Shaw <hobbes1069(a)gmail.com> wrote:
$ echo "const int TIXML_MAJOR_VERSION = 2;" | sed
's/const int
TIXML_MAJOR_VERSION = \([0-9]+\).*/\1/'
const int TIXML_MAJOR_VERSION = 2;
By replacing (sed 's/../../') with (sed -n 's/../../p') you can see
that the regex doesn't match. The cause is that sed recognizes an
"\+" operator, not "+" operator.
Mirek