fix(angular.copy): change angular.copy to correcly clone RegExp

[AndyHitchman]

angular.copy previously copied RegExp as an empty object. Change detects
RegExp instance and clones into new RegExp. This change is based on a previous
fix to allow Date to be copied.

Closes #3473

[mary-poppins]

Thanks for the PR!

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Thanks again for your help!

[AndyHitchman]

Please note that unit tests reported a failure before (and after) my commit:

Chrome 28.0.1500 (Mac OS X 10.8.4) ngMock TzDate should fake getHours method FAILED
        Expected 4 to be 3.
    Error: Expected 4 to be 3.
        at null.<anonymous> (/Users/andy/code/angular.js/test/ngMock/angular-mocksSpec.js:58:29)
    Expected 1 to be 0.
    Error: Expected 1 to be 0.
        at null.<anonymous> (/Users/andy/code/angular.js/test/ngMock/angular-mocksSpec.js:62:29)
    Expected 22 to match 21.
    Error: Expected 22 to match 21.
        at null.<anonymous> (/Users/andy/code/angular.js/test/ngMock/angular-mocksSpec.js:66:29)
Chrome 28.0.1500 (Mac OS X 10.8.4): Executed 2208 of 2208 (1 FAILED) (6.69 secs / 6.056 secs)

[AndyHitchman]

Contributor signed CLA now or in the past

• If you just signed, leave a comment here with your real name

I have just signed CLA. Name is Andrew Hitchman.

[pkozlowski-opensource]

@AndyHitchman I'm afraid that we can't find you CLA signature... Could you please verify and provide the exact name / e-mail you've used to sign-in the CLA? Thnx!

[AndyHitchman]

Resigned CLA with name Andrew Hitchman and email andy at hitchman dot net

[IgorMinar]

CLA verified

[kamrul-islam]

Hi,

I tried to run unit test on g3_v1_x branch but it failed due to similar issue. Can you please help?
My trace is like that

Chrome 29.0.1547 (Mac OS X 10.8.4) ngMock TzDate should fake getHours method FAILED
Expected 4 to be 3.
Error: Expected 4 to be 3.
at null. (/Users//angular.js/test/ngMock/angular-mocksSpec.js:58:29)
Expected 1 to be 0.
Error: Expected 1 to be 0.
at null. (/Users//angular.js/test/ngMock/angular-mocksSpec.js:62:29)
Expected 22 to match 21.
Error: Expected 22 to match 21.
at null. (/Users//angular.js/test/ngMock/angular-mocksSpec.js:66:29)
Chrome 29.0.1547 (Mac OS X 10.8.4): Executed 2244 of 2244 (1 FAILED) (10.744 secs / 9.411 secs)
Warning: Karma test(s) failed. Exit code: 1 Use --force to continue.

Aborted due to warnings.


[IgorMinar]

What time zone are you in?

[kamrul-islam]

Hi,

I am in Australia/Melbourne (UTC/GMT +10 hours).

Thanks

On 26/08/2013, at 1:38 PM, Igor Minar notifications@github.com wrote:

What time zone are you in?

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