#if [[ "$(cat ~/00temp/ttt)" =~ '<link rel="edit" type="application/atom+xml" href="http://www.google.com/calendar/feeds/default/private/full/v1ug05684nqjmhkci7cbro4u8k/63285655816"/>' ]]; then

if [[ "$(cat ~/00temp/ttt)" =~ 'link[[:space:]]+rel=.edit.[[:space:]]+type=.application/atom\+xml.[[:space:]]+href=.(.*).></link>' ]]; then

  echo match
  echo "${BASH_REMATCH[1]}"
else
  echo bah
fi