PCRE and newlines10. December 2011 PCRE (this is what you use when you do a preg_* call in PHP) has a plethora of newline related escape sequences and options, but only few know about those. I want to shed light on some of those options in this post. \r\n, \n and \r Okay, everyone knows about those escape sequences: \r\n is the CRLF newline Windows uses \n is the LF newline Unix uses \r is the CR newline that old
http://www.pcre.org/pcre.txt
