var colons = 0;
var fill = '0';
- for( var i = 0; i < addr.length; i++ )
+ for( var i = 1; i < (addr.length-1); i++ )
if( addr.charAt(i) == ':' )
colons++;
for( var i = 0; i < (7 - colons); i++ )
fill += ':0';
- addr = addr.replace(/::/, ':' + fill + ':');
+ if (addr.match(/^(.*?)::(.*?)$/))
+ addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
+ (RegExp.$2 ? ':' + RegExp.$2 : '');
}
return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);