perl . operator：使用運算子(Operator)
使用運算子(Operator)
Operators
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Perl has two classes of relational operators. One class operates on numeric values, and the other operates on string values.
operators
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The '=~' operator is a binary binding operator that indicates the following operation will search or modify the scalar on the left.
Perl
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Perl language supports many operator types, but following is a list of important and most frequently used operators.
PERL
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The repetition operator. Returns a string consisting of the left operand repeated the number of times specified by the right operand.
Perl expressions: operators
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In Perl, the operator determines what operation is performed, independent of the type of the operands. For example $x + $y is always a numeric addition, and if ...
Perl Operators
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In this tutorial, you'll learn about Perl operators including numeric operators, string operators, and logical operators.
Perl | Operators
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Operators are the main building block of any programming language. Operators allow the programmer to perform different kinds of operations on operands.
perlop
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A TERM has the highest precedence in Perl. They includes variables, quote and quote-like operators, any expression in parentheses, and any function whose ...
What is = in Perl?
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The //= operator is the assignment operator version of the // or 'logical defined-or' operator. In the context of a my variable declaration, the variable is ...