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flutter format phone number

YOU.com answered on September 11, 2023 Popularity 8/10 Helpfulness 4/10

answer flutter format phone number

flutter format phone number

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String formatPhoneNumber(String phoneNumber) {
  // Remove all non-digit characters from the phone number
  String formattedNumber = phoneNumber.replaceAll(RegExp(r'\D'), '');

  // Check if the number has a country code (e.g. +1)
  if (formattedNumber.startsWith('+')) {
    // Add a space every 3 digits after the country code
    formattedNumber = formattedNumber.replaceAllMapped(
      RegExp(r'.{3}'),
      (match) => '${match.group(0)} ',
    );
  } else {
    // Add a space every 3 digits starting from the beginning of the number
    formattedNumber = formattedNumber.replaceAllMapped(
      RegExp(r'^.{1,3}'),
      (match) => '${match.group(0)} ',
    );
  }

  return formattedNumber.trim();
}

void main() {
  String phoneNumber = '+1234567890';
  String formattedPhoneNumber = formatPhoneNumber(phoneNumber);
  print(formattedPhoneNumber); // Output: +1 234 567 890

  phoneNumber = '1234567890';
  formattedPhoneNumber = formatPhoneNumber(phoneNumber);
  print(formattedPhoneNumber); // Output: 123 456 7890
}

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Contributed on Sep 11 2023

YOU.com

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flutter format phone number

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