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$RLine = "R.N. Raox, J. Pure and Appl. Phys."; $Jrnl = "Appl. Phys."; ... else { print "Not Matched\n"; }
$RLine = "R.N. Raox, J. Pure and Appl. Phys."; #Should not match -> Pattern OK ... $RLine = "R.N. and Raox, J. Pure text Appl. Phys."; #Should match but it is not -> Pattern NOT OK