in reply to Re^4: Making $ Unicode-aware
in thread Making $ Unicode-aware

So \v is a regex class instead of a character escape. That makes sense, then.

What existing code could changing $ to use \R instead of \n potentially break? Could this raise security issues by widening input validation patterns?

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Re^6: Making $ Unicode-aware
by jo37 (Curate) on Jul 29, 2020 at 15:16 UTC
    What existing code could changing $ to use \R instead of \n potentially break? Could this raise security issues by widening input validation patterns?

    A bit difficult to say, as even \n is not just a LF but a "logical newline", as described in perlrebackslash:

    \n matches a logical newline. Perl converts between \n and your OS's native newline character when reading from or writing to text files.
    And because it is so hard to tell I wouldn't want to change the meaning of $ without explicit request to do so for a single regex or within a lexical scope, i.e. by a flag or pragma.

    Greetings,
    -jo

    $gryYup$d0ylprbpriprrYpkJl2xyl~rzg??P~5lp2hyl0p$
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