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I was wondering if I could get help solving this Linux problem. Write a regular expression that will match US phone numbers, which can be

I was wondering if I could get help solving this Linux problem.

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Write a regular expression that will match US phone numbers, which can be of the form 1-434 555-1212 or 434-555-1212 or (434)555-1212 or 555-1212 (10 points)

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