case Convert string to upper case, lower case, title case, or sentence case invert_match Switch location of matches to location of non-matches modifiers Control matching behaviour with modifier functions str_c Join multiple strings into one string str_conv Specify the encoding of a string str_count Count number of matches str_detect Detect the presence/absence of a match str_dup Duplicate a string str_equal Determine if two strings are equivalent str_escape Escape regular expression metacharacters str_extract Extract the complete match str_flatten Flatten a string str_glue Interpolation with glue str_length Compute the length/width str_like Detect a pattern in the same way as 'SQL"s 'LIKE' operator str_locate Find location of match str_match Extract components (capturing groups) from a match str_order Order, rank, or sort a character vector str_pad Pad a string to minimum width str_remove Remove matched patterns str_replace Replace matches with new text str_replace_na Turn NA into "NA" str_split Split up a string into pieces str_starts Detect the presence/absence of a match at the start/end str_sub Get and set substrings using their positions str_subset Find matching elements str_trim Remove whitespace str_trunc Truncate a string to maximum width str_unique Remove duplicated strings str_view View strings and matches str_which Find matching indices str_wrap Wrap words into nicely formatted paragraphs stringr-data Sample character vectors for practicing string manipulations word Extract words from a sentence