Which route pattern will be used?

An IP phone user has dialed “15152421234”. Which route pattern will be used?

A.
1515[^0-1]4[123]+
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Cisco 642-447 Exam

B.
1515[^0-2]4[01234]

C.
1515[^0-1]42[1234]

D.
1515[^0-1]421[1-4]+

Explanation: