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=== tests/cases/conformance/es2018/useRegexpGroups.ts ===
let re = /(?<year>\d{4})-(?<month>\d{2})-(?<day>\d{2})/u;
>re : RegExp
>/(?<year>\d{4})-(?<month>\d{2})-(?<day>\d{2})/u : RegExp
let result = re.exec("2015-01-02");
>result : RegExpExecArray
>re.exec("2015-01-02") : RegExpExecArray
>re.exec : (string: string) => RegExpExecArray
>re : RegExp
>exec : (string: string) => RegExpExecArray
>"2015-01-02" : "2015-01-02"
let date = result[0];
>date : string
>result[0] : string
>result : RegExpExecArray
>0 : 0
let year1 = result.groups.year;
>year1 : string
>result.groups.year : string
>result.groups : { [key: string]: string; }
>result : RegExpExecArray
>groups : { [key: string]: string; }
>year : string
let year2 = result[1];
>year2 : string
>result[1] : string
>result : RegExpExecArray
>1 : 1
let month1 = result.groups.month;
>month1 : string
>result.groups.month : string
>result.groups : { [key: string]: string; }
>result : RegExpExecArray
>groups : { [key: string]: string; }
>month : string
let month2 = result[2];
>month2 : string
>result[2] : string
>result : RegExpExecArray
>2 : 2
let day1 = result.groups.day;
>day1 : string
>result.groups.day : string
>result.groups : { [key: string]: string; }
>result : RegExpExecArray
>groups : { [key: string]: string; }
>day : string
let day2 = result[3];
>day2 : string
>result[3] : string
>result : RegExpExecArray
>3 : 3
let foo = "foo".match(/(?<bar>foo)/)!.groups.foo;
>foo : string
>"foo".match(/(?<bar>foo)/)!.groups.foo : string
>"foo".match(/(?<bar>foo)/)!.groups : { [key: string]: string; }
>"foo".match(/(?<bar>foo)/)! : RegExpMatchArray
>"foo".match(/(?<bar>foo)/) : RegExpMatchArray
>"foo".match : { (regexp: string | RegExp): RegExpMatchArray; (matcher: { [Symbol.match](string: string): RegExpMatchArray; }): RegExpMatchArray; }
>"foo" : "foo"
>match : { (regexp: string | RegExp): RegExpMatchArray; (matcher: { [Symbol.match](string: string): RegExpMatchArray; }): RegExpMatchArray; }
>/(?<bar>foo)/ : RegExp
>groups : { [key: string]: string; }
>foo : string
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