| 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)
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,
ascii, ascii,Column-method;
base64, base64,
base64,Column-method;
concat_ws, concat_ws,
concat_ws,character,Column-method;
concat, concat,
concat,Column-method; decode,
decode,
decode,Column,character-method;
encode, encode,
encode,Column,character-method;
format_number, format_number,
format_number,Column,numeric-method;
format_string, format_string,
format_string,character,Column-method;
initcap, initcap,
initcap,Column-method;
length, length,Column-method;
levenshtein, levenshtein,
levenshtein,Column-method;
locate, locate,
locate,character,Column-method;
lower, lower,
lower,Column-method; lpad,
lpad,
lpad,Column,numeric,character-method;
ltrim, ltrim,
ltrim,Column-method;
regexp_extract,
regexp_extract,
regexp_extract,Column,character,numeric-method;
regexp_replace,
regexp_replace,
regexp_replace,Column,character,character-method;
reverse, reverse,
reverse,Column-method; rpad,
rpad,
rpad,Column,numeric,character-method;
rtrim, rtrim,
rtrim,Column-method; soundex,
soundex,
soundex,Column-method;
substring_index,
substring_index,
substring_index,Column,character,numeric-method;
translate, translate,
translate,Column,character,character-method;
trim, trim,
trim,Column-method; unbase64,
unbase64,
unbase64,Column-method;
upper, upper,
upper,Column-method
## Not run: instr(df$c, 'b')