Prism.languages.graphql = {
	'comment': /#.*/,
	'string': {
		pattern: /"(?:\\.|[^\\"\r\n])*"/,
		greedy: true
	},
	'number': /(?:\B-|\b)\d+(?:\.\d+)?(?:e[+-]?\d+)?\b/i,
	'boolean': /\b(?:true|false)\b/,
	'variable': /\$[a-z_]\w*/i,
	'directive': {
		pattern: /@[a-z_]\w*/i,
		alias: 'function'
	},
	'attr-name': {
		pattern: /[a-z_]\w*(?=\s*(?:\((?:[^()"]|"(?:\\.|[^\\"\r\n])*")*\))?:)/i,
		greedy: true
	},
	'class-name': {
		pattern: /(\b(?:enum|implements|interface|on|scalar|type|union)\s+)[a-zA-Z_]\w*/,
		lookbehind: true
	},
	'fragment': {
		pattern: /(\bfragment\s+|\.{3}\s*(?!on\b))[a-zA-Z_]\w*/,
		lookbehind: true,
		alias: 'function'
	},
	'keyword': /\b(?:enum|fragment|implements|input|interface|mutation|on|query|scalar|schema|type|union)\b/,
	'operator': /[!=|]|\.{3}/,
	'punctuation': /[!(){}\[\]:=,]/,
	'constant': /\b(?!ID\b)[A-Z][A-Z_\d]*\b/
};