-- minLength validation -- longer is valid SELECT is_jsonb_valid('{"minLength":2}', '"foo"'); -- exact length is valid SELECT is_jsonb_valid('{"minLength":2}', '"fo"'); -- too short is invalid SELECT is_jsonb_valid('{"minLength":2}', '"f"'); -- ignores non-strings SELECT is_jsonb_valid('{"minLength":2}', '1'); -- one supplementary Unicode code point is not long enough SELECT is_jsonb_valid('{"minLength":2}', '"💩"');