=== tests/cases/compiler/regExpWithSlashInCharClass.ts === var foo1 = "a/".replace(/.[/]/, ""); >foo1 : string, Symbol(foo1, Decl(regExpWithSlashInCharClass.ts, 0, 3)) >"a/".replace(/.[/]/, "") : string >"a/".replace : { (searchValue: string, replaceValue: string): string; (searchValue: string, replaceValue: (substring: string, ...args: any[]) => string): string; (searchValue: RegExp, replaceValue: string): string; (searchValue: RegExp, replaceValue: (substring: string, ...args: any[]) => string): string; }, Symbol(String.replace, Decl(lib.d.ts, 329, 44), Decl(lib.d.ts, 336, 63), Decl(lib.d.ts, 343, 102), Decl(lib.d.ts, 350, 63)) >"a/" : string >replace : { (searchValue: string, replaceValue: string): string; (searchValue: string, replaceValue: (substring: string, ...args: any[]) => string): string; (searchValue: RegExp, replaceValue: string): string; (searchValue: RegExp, replaceValue: (substring: string, ...args: any[]) => string): string; }, Symbol(String.replace, Decl(lib.d.ts, 329, 44), Decl(lib.d.ts, 336, 63), Decl(lib.d.ts, 343, 102), Decl(lib.d.ts, 350, 63)) >/.[/]/ : RegExp >"" : string var foo2 = "a//".replace(/.[//]/g, ""); >foo2 : string, Symbol(foo2, Decl(regExpWithSlashInCharClass.ts, 1, 3)) >"a//".replace(/.[//]/g, "") : string >"a//".replace : { (searchValue: string, replaceValue: string): string; (searchValue: string, replaceValue: (substring: string, ...args: any[]) => string): string; (searchValue: RegExp, replaceValue: string): string; (searchValue: RegExp, replaceValue: (substring: string, ...args: any[]) => string): string; }, Symbol(String.replace, Decl(lib.d.ts, 329, 44), Decl(lib.d.ts, 336, 63), Decl(lib.d.ts, 343, 102), Decl(lib.d.ts, 350, 63)) >"a//" : string >replace : { (searchValue: string, replaceValue: string): string; (searchValue: string, replaceValue: (substring: string, ...args: any[]) => string): string; (searchValue: RegExp, replaceValue: string): string; (searchValue: RegExp, replaceValue: (substring: string, ...args: any[]) => string): string; }, Symbol(String.replace, Decl(lib.d.ts, 329, 44), Decl(lib.d.ts, 336, 63), Decl(lib.d.ts, 343, 102), Decl(lib.d.ts, 350, 63)) >/.[//]/g : RegExp >"" : string var foo3 = "a/".replace(/.[/no sleep /till/]/, "bugfix"); >foo3 : string, Symbol(foo3, Decl(regExpWithSlashInCharClass.ts, 2, 3)) >"a/".replace(/.[/no sleep /till/]/, "bugfix") : string >"a/".replace : { (searchValue: string, replaceValue: string): string; (searchValue: string, replaceValue: (substring: string, ...args: any[]) => string): string; (searchValue: RegExp, replaceValue: string): string; (searchValue: RegExp, replaceValue: (substring: string, ...args: any[]) => string): string; }, Symbol(String.replace, Decl(lib.d.ts, 329, 44), Decl(lib.d.ts, 336, 63), Decl(lib.d.ts, 343, 102), Decl(lib.d.ts, 350, 63)) >"a/" : string >replace : { (searchValue: string, replaceValue: string): string; (searchValue: string, replaceValue: (substring: string, ...args: any[]) => string): string; (searchValue: RegExp, replaceValue: string): string; (searchValue: RegExp, replaceValue: (substring: string, ...args: any[]) => string): string; }, Symbol(String.replace, Decl(lib.d.ts, 329, 44), Decl(lib.d.ts, 336, 63), Decl(lib.d.ts, 343, 102), Decl(lib.d.ts, 350, 63)) >/.[/no sleep /till/]/ : RegExp >"bugfix" : string