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Bruce Wielinga
The RX library is a set of two classes, along with some C code which impliments a basic wrapper around the GNU rx regular expression library.
The class REGEX_COMPILER, which may be used expanded or inherited from, is used to create regular expressions. The basic procedure uses `compile' on the pattern of the expression, with 'succeeded' true if the pattern could be compiled, and last_regex then containing the compiled regex object. There are also a number of flags which may be set to change this behaviour, the action of which is as in the rx manual.
A compiled regular expression is used with the match procedure in class REGEX. After a match, 'succeeded' is true if the string matched. The substrings of the match are available from item(i) and the number of substrings is the value of count. item(0) contains the string matched by the whole expreesion.
