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Here is a simple example. It decides whether or not the input properly represents a list of value ranges. The input syntax is approximately:

 [[ '!' ] <lo-num>] ['-' [<hi-num>]] \
 [',' [[ '!' ] <lo-num>] ['-' [<hi-num>]] ... ]

If there is no hyphen, then a number must be present. You should not have more than one "bang" operator, but this FSM does not check for that.

This page contains:

• the definitions
• The resulting header file
• the associated code file

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The input definitions

See the usage page for a description of the attributes supported.

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The resulting header file: