| 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')