UNIX for Beginners Questions & Answers

_PBCS_URL_PRD=https://plan-a503777.pbcs.us6.ocloud.com
_PBCS_URL_TST=https://pln-test-a503777.pbcs.us6.ocloud.com

echo "${_PBCS_URL_PRD}" | sed -e 's/-\(.*\)./\1/g'

echo "${_PBCS_URL_PRD}" |  perl -nle '/-(\w+)\./ and print $1'

echo "${_PBCS_URL_TST}" | sed -e 's/^.*-\|[.].*$//g'
a503777

_PBCS_URL_PRD=https://plan-a503777.pbcs.us6.ocloud.com
_PBCS_URL_TST=https://pln-test-a503777.pbcs.us6.ocloud.com

STRING=${_PBCS_URL_PRD##*-}
echo ${STRING%%.*}

STRING=${_PBCS_URL_TST##*-}
echo ${STRING%%.*}

a503777
a503777

_PBCS_URL=${_PBCS_URL_TST}; STRING=${_PBCS_URL##*-}; _DOMAIN=${STRING%%.*}