#LEN=expr length "$1"
LEN="${#1}"
echo $LEN
if [ $1="AS*" ]; then
  ASN=${1##AS}
  echo "AS"
else
  if [ $1=="as*" ]; then
  #ASN=$substr ${$1} 3 $LEN-3
    ASN=${1##as}
    echo "as"
    else
    if [ "$1"=="ASN*" ]; then
      ASN=${1###ASN}
      echo "ASN"
      else
      if [ "$1"=="asn*" ]; then
        #ASN=$substr ${$1} 2 $LEN-2
        ASN=${1###asn}
        echo "asn"
      else
        ASN=$1
        echo "Number Only"
      fi
    fi
  fi
fi


echo "\n" $ASN