The RegexPatternSetId for a RegexPatternSet. You
use RegexPatternSetId to get information about a
RegexPatternSet (see GetRegexPatternSet), update a
RegexPatternSet (see UpdateRegexPatternSet), insert a
RegexPatternSet into a RegexMatchSet or delete one
from a RegexMatchSet (see UpdateRegexMatchSet), and
delete an RegexPatternSet from AWS WAF (see
DeleteRegexPatternSet).
Text transformations eliminate some of the unusual formatting that attackers
use in web requests in an effort to bypass AWS WAF. If you specify a
transformation, AWS WAF performs the transformation on
RegexPatternSet before inspecting a request for a match.