Operators

Operators ordered by precedence.

Operator	Name	Precedence	Comment
	GROUPING OPERATORS
`( )`	Parentheses	4	Suggested for single-line groups.
`{ }`	Brackets	4	Suggested for multi-line groups.
	UNARY (PREFIX) OPERATORS
`not`	Complement	3	Applies only to some operands.
`NUMBER` `:`	Positional capturing group	3
`NAME` `:`	Named capturing group	3
`lookahead`	Lookahead assertion	3
`lookbehind`	lookbehind assertion	3
`optional`	Optional quantifier	3	0 to 1 times
`repeat`	Unlimited quantifier	3	0 to ∞ times
`at‑least‑N`	Lower limit quantifier	3	N to ∞ times
`at‑most‑N`	Upper limit quantifier	3	0 to N times
`N‑times`	Exact quantifier	3	exactly N times
`N‑to‑M‑times`	Range quantifier	3	N to M times
	BINARY OPERATORS
`or`	Disjunction	2
`,`	Comma	1	Suggested for separating expressions in a single line.
`;`	Semicolon	1	Suggested for separating expressions between lines (at the end of line).

TODO: write more