Dell 3-DNS Dokumentacja Pobierz pdf (Strona 141)

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101

Rules

BIG-IP® Reference Guide 4-61

Operators

In a rule, relational operators compare two operands to form relational

expressions. Possible relational operators and expressions are described in

Table 4.10.

In a rule, logical operators modify an expression or connect two expressions

together to form a logical expression. Possible logical operators and

expressions are described in Table 4.11.

Expression Relational Operator

Are two IP addresses equal? <address> equals <address>

Do a string and a regular expression match? <variable_operand> matches_regex <regular_expression>

Are two strings identical? <string> equals <string>

Is the second string a suffix of the first string? <variable_operand> ends_with <string>

Is the second string a prefix of the first string? <variable_operand> starts_with <string>

Does the first string contain the second string? <variable_operand> contains <literal_string>

Is the first string a member of the second string? <variable_operand> equals one of <class>

Table 4.10 The relational operators

Expression Logical Operator

Is the expression not true? not <expression>

Are both expressions true? <expression> and <expression>

Is either expression true? <expression> or <expression>

Table 4.11 The logical operators

1 2 ... 136 137 138 139 140 141 142 143 144 145 146 ... 425 426

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