1[ 2 { 3 "description": "ECMA 262 regex dialect recognition", 4 "schema": { "format": "regex" }, 5 "tests": [ 6 { 7 "description": "[^] is a valid regex", 8 "data": "[^]", 9 "valid": true 10 }, 11 { 12 "description": "ECMA 262 has no support for lookbehind", 13 "data": "(?<=foo)bar", 14 "valid": false 15 } 16 ] 17 } 18]