get_quantifier

Parse a quantifier from the input, where "ch" is the first character in the quantifier.

Return the minimum number of occurrences permitted by the quantifier and
either None or the next character from the input_iter if the next character
is not part of the quantifier.

def get_quantifier(
    ch: string,
    input_iter: iterator
) - > tuple

Parse a quantifier from the input, where "ch" is the first character in the quantifier.

Parameters

Name	Type	Description
ch	string	The first character of the quantifier sequence being parsed (e.g., '*', '+', '?', or '{').
input_iter	iterator	An iterator yielding tuples of (character, is_escaped) used to consume subsequent characters of the quantifier.

Returns

Type	Description
tuple	A tuple containing the minimum number of occurrences permitted by the quantifier and either None or the next character from the input_iter if the next character is not part of the quantifier.