Build, test, and debug regular expressions
Matches strings starting with two Unicode letter words (each followed by whitespace, captured in groups 1 and 2), then any middle content, and finally a comma section captured through end of string (group 3). Commonly used with replacement $1$2$3 to shorten multi-part names by deleting everything between the first two name parts and the comma-separated suffix (e.g., title or location).