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.
instr(y, x) ## S4 method for signature 'Column,character' instr(y, x)
y |
column to check |
x |
substring to check |
Note: The position is not zero based, but 1 based index. Returns 0 if substr could not be found in str.
instr since 1.5.0
Other string_funcs: ascii
,
base64
, concat_ws
,
concat
, decode
,
encode
, format_number
,
format_string
, initcap
,
length
, levenshtein
,
locate
, lower
,
lpad
, ltrim
,
regexp_extract
,
regexp_replace
, reverse
,
rpad
, rtrim
,
soundex
, substring_index
,
translate
, trim
,
unbase64
, upper
## Not run: instr(df$c, 'b')