Regex replace in multiple files

Regex replace in multiple files

References

Reference NO 1

http://stackoverflow.com/questions/15198494/regex-replace-in-multiple-files

Reference NO 2

http://systembash.com/content/easy-search-and-replace-in-multiple-files-on-linux-command-line/

Reference NO 3

http://chris.olstrom.com/howto/replace-text-in-multiple-files/

Reference NO 4

http://www.regular-expressions.info/powergrep.html

Reference NO 5

http://www.digitalvolcano.co.uk/textcrawler.html

Reference NO 6

http://rxfind.codeplex.com/

Reference NO 7

http://ergoemacs.org/emacs/find_replace_inter.html

Reference NO 8

http://sourceforge.net/projects/findandreplace/