Migrate more tests from blink repository.

test/webkit/fast/regex/assertion-expected.txt

 # Copyright 2013 the V8 project authors. All rights reserved.
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 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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-This test checks whether arguments crashes when passed a bad index.
+This page tests handling of parenthetical assertions.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS indexArguments(1, "a") is "a"
-PASS indexArguments("1 ", "a") is undefined
-PASS indexArguments(0xDEADBEEF) is undefined
-PASS indexArguments(0xFFFFFFFF) is undefined
+PASS regex1.exec('xx') is ['xx','x']
+PASS regex2.exec('baaabaac') is ['baaabaac','ba',undefined,'abaac']
+PASS regex3.exec('aaab') is ['aab','a','aab']
+PASS regex4.exec('aaab') is ['aab','a','aab']
+PASS regex5.exec('P11') is ['P11','1','1']
+PASS regex6.exec('ababbbcbc') is ['ababb','bb','b']
+PASS regex7.exec('xx') is ['xx','x']
+PASS regex8.exec('xx') is ['xx','x','x']
+PASS regex9.exec('xy') is null
+PASS regex10.exec('xy') is null
+PASS regex11.exec('xy') is null
+PASS regex12.exec('x') is null
+PASS regex12.exec('xx') is ['xx','x']
+PASS regex12.exec('xxy') is ['xx','x']
+PASS regex13.exec('xzzzx') is ['xzzzx','x']
+PASS regex13.exec('xzzzxy') is ['xzzzx','x']
+PASS regex14.exec('aabc') is ['aabc','a','bc']
+PASS regex14.exec('aabcx') is ['aabc','a','bc']
+PASS regex15.exec('aabc') is ['aabc','a','bc']
+PASS regex15.exec('aabcx') is ['aabc','a','bc']
+PASS regex16.exec('ab') is null
+PASS regex16.exec('abc') is ['abc','bc']
+PASS regex17.exec('ab') is ['a','ab']
+PASS regex17.exec('abc') is ['a','ab']
+PASS regex18.exec('x') is ['x','']
+PASS regex18.exec('xx') is ['x','xx']
+PASS regex18.exec('xxx') is ['x','xx']
+PASS regex19.exec('x') is ['x','',undefined]
+PASS regex19.exec('xx') is ['x','xx','xx']
+PASS regex19.exec('xxx') is ['x','xx','xx']
+PASS regex20.exec('x') is null
+PASS regex20.exec('xx') is ['x','xx']
+PASS regex20.exec('xxx') is ['x','xx']
+PASS regex21.exec('aab') is ['aab']
+PASS regex22.exec('55up') is null
+PASS regex23.exec('ax') is null
+PASS regex24.exec('x') is null
 PASS successfullyParsed is true
 
 TEST COMPLETE