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    Chapter 1. Perl Pocket Reference > Operators and Precedence

    1.11. Operators and Precedence

    Perl operators have the following associativity and precedence, listed from highest precedence to lowest. Table cells indicate groups of operators of equal precedence.

    Assoc.OperatorsDescription
    rightterms and list operatorsSee next page.
    left->Infix dereference operator.
    none++Auto-increment (magical on strings).
     --Auto-decrement.
    right**Exponentiation.
    right\Reference to an object (unary).
    right! ~Unary logical NOT, bitwise NOT.
    right+ -Unary plus, minus.
    left=~Binds a scalar expression to a pattern match.
    left!~Same, but negates the result.
    left* / % xMultiplication, division, modulo, repetition.
    left+ - .Addition, subtraction, concatenation.
    left>> <<Bitwise shift right, bitwise shift left.
    rightnamed unary operatorsE.g., sin, chdir, -f, -M.
    none< > <= >= lt gt le geNumerical relational operators. String relational operators.
    none== != <=>

    eq ne cmp

    ~~    		Numerical equal, not equal, compare.

    Stringwise equal, not equal, compare.

    Smartmatch.
    left&Bitwise AND.
    left| ^Bitwise OR, bitwise XOR.
    left&&Logical AND.
    left|| //Logical OR, defined OR.
    none..Range operator.
     ...Alternative range operator.
    right?:Ternary if ? then : else operator.
    right= += -= etc.Assignment operators.
    left,Comma operator, also list element separator.
    left=>Same, enforces the left operand to be a string.
    rightlist operators (rightward)See below.
    rightnotLow precedence logical NOT.
    leftandLow precedence logical AND.
    leftorLow precedence logical OR.
    leftxorLow precedence logical XOR.



      

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