The problem is that qr/.../ produces a Regexp object (try ref(qr/.../)).

If you know where all the regexes are in your structure, you could convert them all to strings before calling to_json() on them.

Or you can do: 
{
package Regexp;
sub TO_JSON {
  my $regex = shift;
  $regex = "$regex";
  return $regex;
}

my $json = JSON->new->convert_blessed;
print $json->encode(qr/.../);

[download]
as documented in JSON

In reply to Re: JSON saving regex? by thargas
in thread JSON saving regex? by iaw4

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