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const str = 'Call 123-456-7890 or 987-654-3210'; const phoneRegex = /\d{3}-\d{3}-\d{4}/g; console.log(str.search(/\d/)); // 5 console.log(str.match(phoneRegex)); // ['123-456-7890', '987-654-3210'] const emailTest = /^[\w.-]+@[\w.-]+\.\w+$/; console.log(emailTest.test('user@example.com')); // true console.log(emailTest.test('bad-email')); // false const dated = '2024-01-15 and 2024-03-22'; const dateRx = /(\d{4})-(\d{2})-(\d{2})/g; for (const m of dated.matchAll(dateRx)) { console.log(m[1], m[2], m[3]); // year month day }
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