re2_count               Count the number of matches in a string
re2_detect              Find the presence of a pattern in string(s)
re2_extract_replace     Extract with substitutions
re2_get_options         Retrieve options
re2_locate              Locate the start and end of pattern in a string
re2_match               Extract matched groups from a string
re2_regexp              Compile regular expression pattern
re2_replace             Replace matched pattern in string
re2_split               Split string based on pattern
re2_syntax              RE2 Regular Expression Syntax
re2_which               Select strings that match, or find their
                        positions
