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What is the regular expression for a mobile number that may or may not include a country code?

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asked 2023-05-07 00:29:27 +0000

plato
56 ●5 ●5

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answered 2023-05-07 00:50:01 +0000

lakamha
21 ●3 ●3

^+?\d{0,3}?\d{10}$

Explanation: - ^+? matches an optional plus sign at the beginning - \d{0,3}? matches up to 3 digit country code, optional (the ? makes it optional) - \d{10} matches the remaining 10 digits of the mobile number - $ matches the end of the string

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