Precedence of Query Operators

The precedence of query operators varies for XPath 1.0 and XPath 2.0, as shown in the following tables. In these tables, operators are listed in order of precedence, with highest precedence being first; operators in a given row have the same precedence.

Table 64. Query Operator Precedence - XPath 1.0
Operation Type	XPath Operators
Grouping	( )
Filter	[ ]
Unary minus	`-`
Multiplication	*, div, mod
Addition	+, -
Relational (Comparison)	= != < <= > >=
Union	\|
Negation	not
Conjunction	and
Disjunction	or

Table 65. Query Operator Precedence - XPath 2.0
Operation Type	XPath Operators
Sequence separator	,
Conjunction	and
Type matching	`instance of`
Assertion	treat
Conversion test	castable
Conversion	cast
Relational (Comparison)	eg, ne, lt, le, gt, ge, =, !=, <, <=, >, >=, is, <<, >>
Range	to
Addition	+, -
Multiplication	*, div, idiv, mod
Unary	unary -, unary +
Union	union, \|
Select set	intersect, except
Navigation	/, //
Filter	[ ]

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