34 lines
917 B
Plaintext
34 lines
917 B
Plaintext
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/**
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* Copyright (c) 2013-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @providesModule isInternationalPhoneNumber
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*
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* Simple client-side validation of international phone numbers
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*/
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const US_NUMBER_RE = /^1\(?\d{3}\)?\d{7}$/;
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const NORWAY_NUMBER_RE = /^47\d{8}$/;
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const INTL_NUMBER_RE = /^\d{1,4}\(?\d{2,3}\)?\d{4,}$/;
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function isInternationalPhoneNumber(number) {
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number = number.replace(/[\-\s]+/g, '') // strip all spaces and hyphens
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.replace(/^\+?0{0,2}/, ''); // strip up to 2 leading 0s and +
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if (number.startsWith('0')) {
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return false;
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}
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if (number.startsWith('1')) {
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return US_NUMBER_RE.test(number);
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}
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if (number.startsWith('47')) {
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return NORWAY_NUMBER_RE.test(number);
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}
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return INTL_NUMBER_RE.test(number);
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}
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module.exports = isInternationalPhoneNumber;
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