stri_locate_all_coll(str, pattern, opts_collator = NULL)stri_locate_first_coll(str, pattern, opts_collator = NULL)
stri_locate_last_coll(str, pattern, opts_collator = NULL)
stri_opts_collator
; NULL
for default settingsstri_locate_all_coll
,
a list of max(length(str), length(pattern))
integer matrices
is returned.
The first column gives the start positions
of matches, and the second column gives the end positions.
Moreover, you may gen two NA
s in one row
for no match or NA
arguments.For stri_locate_first_coll
and stri_locate_last_coll
,
you get an integer matrix with max(length(str), length(pattern))
rows,
and two columns, giving the start and end positions of the first
or the last matches, respectively, and NA
s iff not found.
str
and pattern
.See stringi-search-coll for more details on
locale-sensitive text searching in
Note the difference between stri_locate_last_coll
and stri_locate_last_regex
for overlapping pattern matches.
In stri_locate_last_coll
, search is done from-the-end.
stri_locate_all_charclass
,
stri_locate_first_charclass
,
stri_locate_first_charclass
,
stri_locate_last_charclass
,
stri_locate_last_charclass
;
stri_locate_all_fixed
,
stri_locate_first_fixed
,
stri_locate_first_fixed
,
stri_locate_last_fixed
,
stri_locate_last_fixed
;
stri_locate_all_regex
,
stri_locate_first_regex
,
stri_locate_first_regex
,
stri_locate_last_regex
,
stri_locate_last_regex
;
stri_locate_all
;
stri_locate_boundaries
;
stri_locate_first
;
stri_locate_last
;
stri_locate_words
;
stri_locate
; stri_sub
,
stri_sub<-
Other locale_sensitive: %!==%
,
%!=%
, %<=%< a="">
,
%<%< a="">
, %===%
,
%==%
, %>=%
,
%>%
, %stri!==%
,
%stri!=%
, %stri<=%< a="">
,
%stri<%< a="">
, %stri===%
,
%stri==%
, %stri>=%
,
%stri>%
; stri_cmp
,
stri_cmp_eq
, stri_cmp_equiv
,
stri_cmp_ge
, stri_cmp_gt
,
stri_cmp_le
, stri_cmp_lt
,
stri_cmp_neq
,
stri_cmp_nequiv
,
stri_compare
;
stri_count_coll
;
stri_detect_coll
;
stri_duplicated
,
stri_duplicated_any
;
stri_enc_detect2
;
stri_extract_all_coll
,
stri_extract_first_coll
,
stri_extract_first_coll
,
stri_extract_last_coll
,
stri_extract_last_coll
;
stri_extract_words
;
stri_locate_boundaries
;
stri_locate_words
;
stri_opts_collator
;
stri_order
, stri_sort
;
stri_replace_all_coll
,
stri_replace_first_coll
,
stri_replace_first_coll
,
stri_replace_last_coll
,
stri_replace_last_coll
;
stri_split_boundaries
;
stri_split_coll
;
stri_trans_tolower
,
stri_trans_totitle
,
stri_trans_toupper
;
stri_unique
; stri_wrap
;
stringi-locale
;
stringi-search-coll
Other search_coll: stri_count_coll
;
stri_detect_coll
;
stri_extract_all_coll
,
stri_extract_first_coll
,
stri_extract_first_coll
,
stri_extract_last_coll
,
stri_extract_last_coll
;
stri_replace_all_coll
,
stri_replace_first_coll
,
stri_replace_first_coll
,
stri_replace_last_coll
,
stri_replace_last_coll
;
stri_split_coll
;
stringi-search-coll
;
stringi-search
Other search_locate: stri_locate_all_charclass
,
stri_locate_first_charclass
,
stri_locate_first_charclass
,
stri_locate_last_charclass
,
stri_locate_last_charclass
;
stri_locate_all_fixed
,
stri_locate_first_fixed
,
stri_locate_first_fixed
,
stri_locate_last_fixed
,
stri_locate_last_fixed
;
stri_locate_all_regex
,
stri_locate_first_regex
,
stri_locate_first_regex
,
stri_locate_last_regex
,
stri_locate_last_regex
;
stri_locate_all
;
stri_locate_boundaries
;
stri_locate_first
;
stri_locate_last
;
stri_locate_words
;
stri_locate
; stringi-search
if (stri_install_check(silent=TRUE))
stri_locate_all_coll(c('AaaaaaaA', 'AAAA'), 'a')
if (stri_install_check(silent=TRUE))
stri_locate_first_coll(c('AaaaaaaA', 'aaa', 'AAA'), 'a')
if (stri_install_check(silent=TRUE))
stri_locate_last_coll(c('AaaaaaaA', 'aaa', 'AAA'), 'a')
if (stri_install_check(silent=TRUE))
#first row is 1-2 like in locate_first
stri_locate_all_coll('bbbbb', 'bb')
if (stri_install_check(silent=TRUE))
stri_locate_first_coll('bbbbb', 'bb')
if (stri_install_check(silent=TRUE))
# but last row is 3-4, unlike in locate_last,
# keep this in mind [overlapping pattern match OK]!
stri_locate_last_coll('bbbbb', 'bb')
Run the code above in your browser using DataLab