What's a regex to match a 10-digit US phone number?
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A regex to match a 10-digit US phone number (in the format
XXX-XXX-XXXXorXXXXXXXXXX) would look like this:Explanation:
^\d{3}-\d{3}-\d{4}$: Matches a phone number in theXXX-XXX-XXXXformat.^\d{10}$: Matches a phone number without dashes (e.g.,XXXXXXXXXX).\d{3}and\d{4}: Match exactly 3 or 4 digits respectively.This regex allows both formats for a 10-digit phone number.