Регулярное выражение для разрешения конкретного числа символов Python
#{6,} At least 6 occurrences;
#{,4} At most 4 occurrences;
#{2,5} 2 to 5 occurrences.
Inquisitive Ibex
#{6,} At least 6 occurrences;
#{,4} At most 4 occurrences;
#{2,5} 2 to 5 occurrences.