=== tests/cases/conformance/es6/unicodeExtendedEscapes/unicodeExtendedEscapesInRegularExpressions18_ES5.ts ===

var x = /\u{65}\u{65}/g;
>x : Symbol(x, Decl(unicodeExtendedEscapesInRegularExpressions18_ES5.ts, 1, 3))