instr {SparkR} | R Documentation |
Locate the position of the first occurrence of substr column in the given string. Returns null if either of the arguments are null.
## S4 method for signature 'Column,character' instr(y, x) instr(y, x)
NOTE: The position is not zero based, but 1 based index, returns 0 if substr could not be found in str.
Other string_funcs: ascii
,
ascii
; base64
,
base64
; concat_ws
,
concat_ws
; concat
,
concat
; decode
,
decode
; encode
,
encode
; format_number
,
format_number
; format_string
,
format_string
; initcap
,
initcap
; length
;
levenshtein
, levenshtein
;
locate
, locate
;
lower
, lower
;
lpad
, lpad
;
ltrim
, ltrim
;
regexp_extract
,
regexp_extract
;
regexp_replace
,
regexp_replace
; reverse
,
reverse
; rpad
,
rpad
; rtrim
,
rtrim
; soundex
,
soundex
; substring_index
,
substring_index
; translate
,
translate
; trim
,
trim
; unbase64
,
unbase64
; upper
,
upper
## Not run: instr(df$c, 'b')