jooRegexpr: Find tags with parameters in text

This class can find tags with parameters in text.

It uses regular expressions to find a tag with a given name. By default the format of the tag is {tag parameter=value ...}. The search regular expression can be customized to find tags with a different format.

The class returns a list of objects that represent each tag that was found. the block object may return a list of tag parameters.

The main class can also return the whole text of the found tag so it can be replaced by some text that expands the tag to something else.