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[nycphp-talk] What does this code do?

-- rada -- radalapsker at yahoo.com
Mon Mar 3 13:12:54 EST 2008


Hi all,

I am trying to implement a user-input scrubbing function, more specifically, normalize linebreaks from windows/mac to unix. I can just do preg_replace but I saw this piece of code somewhere and don't understand it enough to even know what to google. 

supposedly converts Windows CRLF  to Unix LF:
$str =~ s/\r\n/\n/g;

What does =~ do? I can RTFM if you point me to it :)





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