References
Reference NO 1
http://stackoverflow.com/questions/15165298/mixed-results-with-perl-regex-matching-list-of-phrases-in-html-code
Reference NO 2
http://stackoverflow.com/questions/4757099/perl-regex-match-lines-that-contain-multiple-words
Reference NO 3
http://perldoc.perl.org/perlretut.html
Reference NO 4
http://perldoc.perl.org/perlvar.html
Reference NO 5
http://www.regular-expressions.info/captureall.html
Reference NO 6
http://affy.blogspot.com/p5be/ch10.htm
Reference NO 7
http://www.caveofprogramming.com/perl/perl-array-quick-guide-to-arrays-in-perl/
Reference NO 8
#EANF#