| fixed | Compare literal bytes in the string |
| regex | Control regex matching behavior |
| str_c | Join multiple strings into a single string |
| str_count | Count the number of matches in a string |
| str_detect | Detect the presence or absence of a pattern in a string |
| str_dup | Duplicate and concatenate strings within a character vector |
| str_ends | Detect the presence or absence of a pattern at the end of a string |
| str_extract | Extract matching patterns from a string |
| str_extract_all | Extract matching patterns from a string |
| str_length | Compute the length of a string |
| str_match | Extract matched groups from a string |
| str_pad | Duplicate and concatenate strings within a character vector |
| str_remove | Remove matched patterns in a string |
| str_remove_all | Remove matched patterns in a string |
| str_replace | Replace matched patterns in a string |
| str_replace_all | Replace matched patterns in a string |
| str_replace_na | Turn NA into "NA" |
| str_split | Split up a string into pieces |
| str_split_fixed | Split up a string into pieces |
| str_squish | Remove whitespace |
| str_starts | Detect the presence or absence of a pattern at the beginning of a string |
| str_subset | Keep strings matching a pattern |
| str_trim | Remove whitespace |
| str_which | Find positions of strings matching a pattern |
| str_width | Compute the width of a string |