anhtuank7c · March 13, 2022 16:28
diff --git a/regex-vietnamese-phone-number-updated-2018.js b/regex-vietnamese-phone-number-updated-2018.js
 /*
 Before Septemper 15 2018, Vietnam has phone number start with 09*, 01(2|6|8|9).
 After that, the phone number can start with 03, 05, 07 or 08.
 So this function provide a way to validate the input number is a Vietnamese phone number
 */

 function isVietnamesePhoneNumber(number) {
  return /(03|05|07|08|09|01[2|6|8|9])+([0-9]{8})\b/.test(number);
 }
	/*
	Before Septemper 15 2018, Vietnam has phone number start with 09*, 01(2\|6\|8\|9).
	After that, the phone number can start with 03, 05, 07 or 08.
	So this function provide a way to validate the input number is a Vietnamese phone number
	*/

	function isVietnamesePhoneNumber(number) {
	return /(03\|05\|07\|08\|09\|01[2\|6\|8\|9])+([0-9]{8})\b/.test(number);
	}