NYCPHP Meetup

[-- rada --]

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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