[Sdvalidator-users] Query

[Murtuza K. <mk...@re...>]

 =A0=0AI'm using SD Validator for the first time and am using the SGML type=
.=0A=0AI have a few queries, which i have not been able to handle=0A=0A=0A1=
. I am validating an email field which should have the following attributes=
=0A=0Aa) optional field=0Ab) should have only lowercase and numerals =0Ac) =
should have the term '@ats' in the field=0Ad) should be of maximum 70 chara=
cters=0Ae) should not allow ','';'':''/'as characters in the field=0A=0AI h=
ave been able to write two commands =0A=0AA. <EMAIL>? optional rgx=3D"[\#a-=
z?=3D@_0-9-.!/,;:&$)(~^+]{0,70}"</EMAIL>=0A=0AThis one satisfies a,b,d but =
not c and e=0A=0AB.<EMAIL>1 optional rgx=3D"[\#a-z?0-9.-_]+@ats[\#a-z?0-9.-=
_]{0,70}"</EMAIL>=0A=0AThis one satisfies a,c,d but not b and e=0A=0AIs the=
re anyway by which a,b,c,d and e can be satisfied.=0A=0A2. If my tag is B&W=
 then it is giving an error...is renaming the tag to not contain ampersand(=
&) the only solution?=0A=0A3. Also my tag name begining with a numeral is n=
ot being accepted...is renaming the tag to not begin with a numeral the onl=
y solution?=0A=0AHope someone can help me on this one.=0A=0AThanks=0A=0AMur=
tuza=0A=0A=0A=0A=0A