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//УÑéÊÇ·ñÈ«ÓÉÊý×Ö×é³É
function isDigit(s)
{
var patrn=/^[0-9]{1,20}$/;
if (!patrn.exec(s)) return false
return true
}
//УÑéµÇ¼Ãû£ºÖ»ÄÜÊäÈë5-20¸öÒÔ×Öĸ¿ªÍ·¡¢¿É´øÊý×Ö¡¢“_”¡¢“.”µÄ×Ö´®
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function isRegisterUserName(s)   
{   
var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/;   
if (!patrn.exec(s)) return false  
return true  
}  
function isRegisterUserName(s)
{
var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/;
if (!patrn.exec(s)) return false
return true
}
//УÑéÓû§ÐÕÃû£ºÖ»ÄÜÊäÈë1-30¸öÒÔ×Öĸ¿ªÍ·µÄ×Ö´®
Java´úÂë
function isTrueName(s)   
{   
var patrn=/^[a-zA-Z]{1,30}$/;   
if (!patrn.exec(s)) return false  
return true  
}   
}}   
  
//УÑéÃÜÂ룺ֻÄÜÊäÈë6-20¸ö×Öĸ¡¢Êý×Ö¡¢Ï»®Ïß   
<PRE class=java name="code">function isPasswd(s)   
{   
var patrn=/^(\w){6,20}$/;   
if (!patrn.exec(s)) return false  
return true  
}   
</PRE>   
<BR>   
<BR>//УÑéÆÕͨµç»°¡¢´«ÕæºÅÂ룺¿ÉÒÔ“+”¿ªÍ·£¬³ýÊý×ÖÍ⣬¿Éº¬ÓГ-”   
<BR><PRE class=java name="code">function isTel(s)   
{   
//var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?(\d){1,12})+$/;   
var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;   
if (!patrn.exec(s)) return false  
return true  
}   
</PRE>   
<BR>   
<BR>//УÑéÊÖ»úºÅÂ룺±ØÐëÒÔÊý×Ö¿ªÍ·£¬³ýÊý×ÖÍ⣬¿Éº¬ÓГ-”   
<BR><PRE class=java name="code">function isMobi


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