From: "Peña, Botp" <botp@...>
Date: 2008-04-18T11:43:05+09:00
Subject: Re: How to find carriage-return characters

From: Bill Walker [mailto:Bill@Walker-VT.us] 
# I need to do a .gsub or .split or the equivalent to locate 
# carriage-return characters ­ Hex 0d .

CR is represented as "\r"

0x0d.chr
#=> "\r"

so,

"test\rx".gsub(/\r/){"[]"}
#=> "test[]x"

"test\rx asdfa\rasdf".split(/\r/)
#=> ["test", "x asdfa", "asdf"]