The following table lists the operators, in order of increasing precedence, that are available in awk.
= += -= *= /= %= ^= **=
C conditional expression.
Logical OR (short-circuit).
Logical AND (short-circuit).
Match regular expression and negation.
< <= > >= != ==
* / %
Multiplication, division, and modulus (remainder).
+ - !
Unary plus and minus, and logical negation.
Increment and decrement, either prefix or postfix.
While ** and **= are common extensions, they are not part of POSIX awk.