New Issue: Add fullmatch method to regexp

17216, "leekillough", "Add fullmatch method to regexp", "2021-02-22T04:55:30Z"

Python 3.4 adds fullmatch to its re module.

fullmatch or fullMatch should be added to the Chapel regexp, supplementing search and match.

Chapel and its RE2 interface already has support for specifying no anchor, a beginning anchor, or a beginning and ending anchor.