http://www.perlmonks.org?node_id=882033


in reply to Re^2: JSON Formatted String
in thread JSON Formatted String

I think you sort of answered your question there already. You just do it and catch the errors. No errors: valid, proceed. Errors... you decide what happens next. E.g.-

use warnings; use strict; use JSON::XS; use Try::Tiny; my %json = ( empty_obj => "{}", empty_array => "[]", bare_string => "hai", obj => qq|{"o":"hai"}|, bad_obj => qq|{o:hai}|, ); for my $name ( keys %json ) { printf "%11s --> ", $name; try { my $throw_away = decode_json($json{$name}); print "OK!\n"; } catch { print "Error: $_"; }; } __END__ obj --> OK! bare_string --> Error: malformed JSON string, neither array, object, n +umber, string or atom, at character offset 0 (before "hai") at ... empty_obj --> OK! bad_obj --> Error: '"' expected, at character offset 1 (before "o: +hai}") at ... empty_array --> OK!