Vietnam Phone Number Regex Pattern

Pattern

(((03)+([2-9]{1})|(05)+([2]{1}|[5-6]{1}|[8-9]{1})|(07)+([0]{1}|[6-9]{1})|(08)+([1-9]{1})|(09)+(\d{1}))+(\d{7})\b)|((02)+(\d{9})\b)|((1800|1900)+(\d{4,6})\b)

Allow:

• Telephone: /(02)+(\d{9})\b/
• Mobile phone: /((03)+([2-9]{1})|(05)+([2]{1}|[5-6]{1}|[8-9]{1})|(07)+([0]{1}|[6-9]{1})|(08)+([1-9]{1})|(09)+(\d{1}))+(\d{7})\b/
• PBX phone: /(1800|1900)+(\d{4,6})\b/

Source

https://vi.wikipedia.org/wiki/Mã_điện_thoại_Việt_Nam

Test

• regexr