Extract one or more dates from the query.
Extract one or more dates from the query. If the query contains the pattern it returns a score = 1.0 and put the pattern into the extracted_variables dictionary. The regular expression extracts dates like the following: 10.12.2017 or 10-12-2017 or 10/11/2017
the user query
the dictionary of variables (not used in this analyzer)
Result with 1.0 the date on extracted_variables if the pattern matches, score = 0.0 otherwise
PatternExtractionRegex is a pattern extraction utility class
Analyzer for the extraction of dates from queries