Regex para contar personagens
( *?[0-9a-zA-Z] *?){10,}
Salo Hopeless
( *?[0-9a-zA-Z] *?){10,}
/^[a-z]{0,10}$/
{3} exactly 3
{6,} at least 6
{2,5} 2 to 5
%[0-9a-fA-F]{2,}