MASK	Purpose
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0	Digit (0 to 9, entry required, plus [+] and minus [–] signs not allowed). 
9	Digit or space (entry not required, plus and minus signs not allowed). 
#	Digit or space (entry not required; plus and minus signs allowed)
L	Letter (A to Z, entry required). 
?	Letter (A to Z, entry optional)*
A	Letter or digit (entry required). 
a	Letter or digit (entry optional)* 
&	Any character or a space (entry required). 
C	Any character or a space (entry optional)*
. , : ; - /	Literal character
<	Causes all characters to be converted to lowercase. 
>	Causes all characters to be converted to uppercase. 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*	may remove this rule

##</code><code>##

	(C##) ### #######
or
	(+00) 000 0000000

##</code><code>##

	/^\(\+\d{2}\) \d{3} \d{7}$/