记一些常用或不常用的正则表达式

```php

\+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d|

2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]|

4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$

```