Package index

Backend Selection

charr_backend()

Select charr's string backend

Threading

charr_threads()

Set the number of worker threads

charr_chunks_per_worker() charr_min_chunk()

Tune how parallel work is divided

Detect Matches

str_detect()

Detect the presence/absence of a match

str_starts() str_ends()

Detect the presence/absence of a match at the start/end

str_like() str_ilike()

Detect a pattern in the same way as SQL's LIKE and ILIKE operators

str_which()

Find matching indices

str_subset()

Find matching elements

str_count()

Count number of matches

str_locate() str_locate_all()

Find location of match

Extract And Match

str_extract() str_extract_all()

Extract the complete match

str_match() str_match_all()

Extract components (capturing groups) from a match

word()

Extract words from a sentence

invert_match()

Switch location of matches to location of non-matches

Manage Lengths

str_length() str_width()

Compute the length/width

str_pad()

Pad a string to minimum width

str_trim() str_squish()

Remove whitespace

str_trunc()

Truncate a string to maximum width

str_wrap()

Wrap words into nicely formatted paragraphs

Mutate Strings

str_sub() `str_sub<-`() str_sub_all()

Get and set substrings using their positions

str_replace() str_replace_all()

Replace matches with new text

str_remove() str_remove_all()

Remove matched patterns

str_replace_na()

Turn NA into "NA"

str_reverse()

Reverse strings by code point

str_to_upper() str_to_lower() str_to_title() str_to_sentence()

Convert string to upper case, lower case, title case, or sentence case

str_to_camel() str_to_snake() str_to_kebab()

Convert between different types of programming case

Join And Split

str_c()

Join multiple strings into one string

str_flatten() str_flatten_comma()

Flatten a string

str_dup()

Duplicate a string

str_split() str_split_1() str_split_fixed() str_split_i()

Split up a string into pieces

str_glue() str_glue_data()

Interpolation with glue

str_interp() superseded

String interpolation

Order And Compare

str_order() str_rank() str_sort()

Order, rank, or sort a character vector

str_equal()

Determine if two strings are equivalent

str_unique()

Remove duplicated strings

Read And Convert

str_read_lines()

Read a text file as Unicode lines

str_write_lines()

Write a character vector as lines to a file

str_conv()

Specify the encoding of a string

Patterns And Modifiers

fixed() coll() regex() boundary()

Control matching behaviour with modifier functions

str_escape()

Escape regular expression metacharacters

Inspect And Data

str_view()

View strings and matches

sentences fruit words

Sample character vectors for practicing string manipulations

Package

charr charr-package

charr: String Processing Reimagined for 'ALTREP' Strings