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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