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Operator precedence

Operator                                   Operation Performed  ++, --                                     Autoincrement and autodecrement  -, ~, !                                    Operators with one operand  **                                         Exponentiation  =~, !~                                     Pattern-matching operators  *, /, %, x                                 Multiplication, division, remainder, repetition  +, -, .                                    Addition, subtraction, concatenation  <<, >>                                     Shifting operators  -e, -r, etc.                               File-status operators  <, <=, >, >=, lt, le, gt,ge                Inequality-comparison operators  ==, !=, <=>, eq, ne, cmp                   Equality-comparison operators  &                                          Bitwise AND  |, ^                                       Bitwise OR and XOR  &&                                         Logical AND  ||                                         Logical OR  ..                                         List-range operator  ? and :                                    Conditional operator (together)  =, +=, -=, *=,                             Assignment operators and so on  ,                                          Comma operator  not                                        Low-precedence logical NOT  and                                        Low-precedence logical AND  or, xor                                    Low-precedence logical OR and XOR