I have a special strings to check with a PHP script. This is the format :

```
XX - XX:XX:XX - Somethings

```

such as :

1. each XX must be `??` or a pair of digit;
2. first XX can take every kind of digit;
3. second XX must be from 00 and 10;
4. third and fourth XX must be from 00 to 59;
5. somethings can be everything, it doesnt matter;

These are some example :

```
00 - ??:??:?? - Blablabla // OK
99 - ??:99:?? - Blablabla // NO (99 is too high)
99 - 12:50:40 - Blablabla // NO (12 is too high)
?? - AA:50:40 - Blablabla // NO (AA is not a pair of digit)
99 - 2:50:40 - Blablabla // NO (2 is not a pair of digit; I need 02)
99 -08:49:40 - Blablabla // NO (-08 need a space)

```

How can I do it? I think the best way is Regex, but I really don't know how to do it :) Any help is appreciated