Trigger function comments implying operation implementation rather than validation

SELECT 
  n.nspname AS routine_schema, 
  p.proname AS routine_name,
  pg_get_function_identity_arguments(p.oid) AS parameters,
  d.description AS comment,  
  regexp_replace(p.prosrc,'[\r\n]','<br>','g')  AS func_src
FROM 
  (pg_catalog.pg_proc p JOIN pg_catalog.pg_namespace n ON p.pronamespace = n.oid) JOIN pg_catalog.pg_type t ON p.prorettype=t.oid
  LEFT JOIN pg_catalog.pg_description d ON p.oid=d.objoid
WHERE 
 p.proname NOT IN ('f_assume_you_must_use_files', 'f_check_format_comma_separated_list', 'f_check_password', 'f_default_value_with_no_match') AND
   n.nspname NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL) AND t.typname='trigger' AND 
d.description~*'([[:space:]]*|")OP[[:space:]]*([[:digit:]]|\.)+'
AND d.description!~*'(kontroll|valideeri|taga|check|validate|ensure)'
ORDER BY routine_schema, routine_name, parameters;