#command cdx cgrep -p one,or.case,^aaa^bbb
#stdin
 CDX	one
XaaaX
XbbbX
XaaaXbbbX
XbBbXaAaX
XcccX
^aaa^bbb
#stdout
 CDX	one
XaaaX
XbbbX
XaaaXbbbX
XbBbXaAaX
^aaa^bbb