Yes, well, the regex actually works. 
#!/usr/bin/perl -w

my $str = "the %0A quick %2b brown %63 fox %63 jumped %24 over %7e the
+ %4f%45 lazy %25 dog";

print "MYWAY: ", myway(), "\nREGEXPWAY: ", regexpway(), "\n";

sub myway {
    $_ = $str;
    while (/%[0-9A-Fa-f]{2}/) {
        $_ = $&;
        /[0-9A-Fa-f]{2}/;
        $ob[0] = hex($&);
        $temp = pack("C*", @ob);
        $name =~ s/%[0-9A-Fa-f]{2}/$temp/;
        $_ = $name;  
    }    
    return $_;
}

sub regexpway {
    $_ = $str;
    s/%([a-fA-F0-9]{2})/pack("C", hex($1))/eg;
    return $_;
}
__END__

chh@scallop test> perl unescape
Use of uninitialized value in substitution (s///) at unescape line 14.
Use of uninitialized value in pattern match (m//) at unescape line 9.
Use of uninitialized value in print at unescape line 5.
MYWAY:
REGEXPWAY: the
 quick + brown c fox c jumped $ over ~ the OE lazy % dog
chh@scallop test>

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In reply to RE: RE: form parsing, hex, HTML formatting by takshaka
in thread form parsing, hex, HTML formatting by Anonymous Monk

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