Question: [10 points] Build the regular expression for the following: Identifiers in a language that must start with an underscore character and must end in a

[10 points] Build the regular expression for the following: Identifiers in

[10 points] Build the regular expression for the following: Identifiers in a language that must start with an underscore character and must end in a numeric digit. The length can be any size and values in between can be any alphanumeric character. . . A phone number with either the following formats: (888) 888-8888 or 888-888- The VCU V Number

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