Using Javascript to replace unique characters in a textarea box

Using Javascript to replace unique characters in a textarea box

References

Reference NO 1

http://stackoverflow.com/questions/2306618/javascript-replace-character-at-specific-position-in-textarea

Reference NO 2

http://stackoverflow.com/questions/4991259/disabling-some-special-characters-in-text-area

Reference NO 3

http://www.bennadel.com/blog/161-Ask-Ben-Javascript-Replace-And-Multiple-Lines-Line-Breaks.htm

Reference NO 4

http://www.inkplant.com/code/count-textarea-characters-with-javascript.php

Reference NO 5

http://forum.jquery.com/topic/block-special-characters-from-entering-textboxes-and-textareas

Reference NO 6

http://www.webdeveloper.com/forum/showthread.php?185338-how-to-disable-special-characters-in-a-textbox-textarea

Reference NO 7

http://www.mediacollege.com/internet/javascript/form/limit-characters.html

Reference NO 8

http://www.allwebdevhelp.com/javascript/js-help-tutorials.php?i=11695