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regex.swift
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// RUN: %target-typecheck-verify-swift -enable-bare-slash-regex -disable-availability-checking
// REQUIRES: swift_swift_parser
_ =/abc/
_ =#/abc/#
_ = ##/abc/##
func foo<T>(_ x:T...){}
foo(/abc/,#/abc/#, ##/abc/##)
letarr=[/abc/,#/abc/#, ##/abc/##]
_ =/\w+/.self
_ =#/\w+/#.self
_ = ##/\w+/##.self
_ =/#\/\#\\/
_ =#/#/\/\#\\/#
_ = ##/#|\|\#\\/##
_ =(#/[*/#, #/+]/#, #/.]/#)
// expected-error@-1:16 {{cannot parse regular expression: quantifier '+' must appear after expression}}
// expected-error@-2:10 {{cannot parse regular expression: expected ']'}}
