tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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invalid-optional-negative-lookbehind.js (528B)

      1 // |reftest| error:SyntaxError
      2 // Copyright (C) 2018 Igalia S. L. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 esid: sec-regular-expressions-patterns
      6 description: Lookbehinds are not treated as a QuantifiableAssertion
      7 info: |
      8    Term[U] ::
      9         [~U] QuantifiableAssertion Quantifier
     10 
     11    QuantifiableAssertion[N]::
     12        ( ? = Disjunction[~U, ?N] )
     13        ( ? ! Disjunction[~U, ?N] )
     14 negative:
     15  phase: parse
     16  type: SyntaxError
     17 ---*/
     18 
     19 $DONOTEVALUATE();
     20 
     21 /.(?<!.)?/;