Add support for armenia phone

[dani2819]

Resolves: #1215
Resolves the above-mentioned issue but with a different kind of regex (not the one stated in the issue). That regex was very general. To know more about the format of Armenia phone, view this link.

The format is:

• +374 or 0 followed by 10 (Yerevan city code) plus 6 more digits
• +374 or 0 followed by any digit starts with 2 - 4 plus 7 more digits.
• +374 or 0 followed by digits starts with 9 or 7 (Mobile carriers) plus 7 more digits.

Hence, the regex is /^(\+?374|0)((10|[9|7][0-9])\d{6}$|[2-4]\d{7}$)/.

[profnandaa]

LGTM. Thanks for your PR! 🎉

[githuboftigran]

@dani2819 , @profnandaa , this regex doesn't work for some phones.
This regex accepts only phones with local code 10 (BTW this is not a mobile but city code for Yerevan) or 70s or 90s (+37410..., +37477..., +37491...)
However there are some other local codes like 41, 55, 88, etc. And this will accept also phones with local codes that don't exist. For example: +37492... or +37472...
Here are all mobile codes at the moment:

Mobile Operator | Code
Beeline | 91, 99, 96, 43, 33
Ucom | 55, 95, 41, 44
VivaCell-MTS | 93, 94, 77, 98, 49, 88

https://en.wikipedia.org/wiki/Telephone_numbers_in_Armenia

[dani2819]

@githuboftigran I know that it will accept the codes such as +37492... or +37472... etc. I made the regex bit flexible in this regard and that's not a big problem. But yes it won't accept 55. I will add that later :)

[profnandaa]

@githuboftigran -- PR welcome 👍