Numbers

Scripts > Token definitions > Predefined tokens > Numbers

The following predefined tokens can be inserted in a project by a pop-up menu.

INT:        \d+

A natural number (integer) simply consists in one or more digits. The class of all digits is predefined as '\d'.

REAL:        (\d+\.\d*|\.\d+)([eE][\+\-]*\d+)?

A real number, either begins with a dot or with a dot preceded by an integer. The dot is followed by an arbitrary number of digits and optionally by an exponent expression. A dot without an adjoining digit is not a real number.

Examples: .1; 1.;1.1; 3.14, 6.626E-34

HEX_PAS:        \$[[:xdigit:]]{1,8}

A hexadecimal number as used in the programming language pascal: a dollar character followed by up to eight digits or letters from 'A' to 'F' or 'a' to ''f'.

HEX_CPP:        \$[[:xdigit:]]+

A hexadecimal number as used in the programming language c++: "0x" followed by several digits or letters from 'A' to 'F' or 'a' to ''f'.

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