{
	"patterns": [
		{
			"comment": "Single-line regular expression literals must be matched all in one go\n in order to avoid ambiguities with operators, and to adhere to certain\n parsing rules in SE-0354/SE-0355, such as:\n - A regex literal will not be parsed if it contains an unbalanced ).\n - A regex may end with a space only if it began with an escaped space",
			"name": "string.regexp.line.swift",
			"match": "(?x)\n(/)\n(?!\\s)         # non-extended regex literals may not start with a space or tab\n(?!/)          # disambiguation with line comments (redundant since comment rules occur earlier)\n(?:\n  \\\\\\s(?=/)    # may end with a space only if it contains only a single escaped space, i.e. /\\ /\n  | (?<guts>\n    (?>   # no backtracking, avoids issues with negative lookbehind at end\n      (?:\n        \\\\Q\n          (?:(?!\\\\E)(?!/).)*+\n          # A quoted sequence may not have a closing E, in which case it extends to the end of the regex\n          (?:\\\\E | (?=/))\n        | \\\\.\n        | \\(\\?\\#[^)]*\\)\n        | \\(\\?\n            # InterpolatedCallout\n            (?>(\\{(?:\\g<-1>|(?!{).*?)\\}))\n            (?:\\[(?!\\d)\\w+\\])?\n            [X<>]?\n          \\)\n        | (?<class>\\[ (?:\\\\. | [^\\[\\]] | \\g<class>)+ \\])\n        | \\(\\g<guts>?+\\)\n        | (?:(?!/)[^()\\[\\\\])+  # any character (until end)\n      )+\n    )\n  )?+\n  (?<!\\s)\n)\n(/)",
			"captures": {
				"0": { "patterns": [ { "include": "#literals-regular-expression-literal-regex-guts" } ] },
				"1": { "name": "punctuation.definition.string.begin.regexp.swift" },
				"3": { "name": "punctuation.definition.string.end.regexp.swift" }
			}
		}
	]
}