LOCATE
Syntax
LOCATE(substr,str), LOCATE(substr,str,pos)
Description
The first syntax returns the position of the first occurrence of
substring substr
in string str
. The second syntax returns the position
of the first occurrence of substring substr
in string str
, starting at
position pos
. Returns 0 if substr
is not in str
.
LOCATE()
performs a case-insensitive search.
If any argument is NULL
, returns NULL.
INSTR() is the same as the two-argument form of LOCATE()
, except that the order of the arguments is reversed.
Examples
SELECT LOCATE('bar', 'foobarbar'); +----------------------------+ | LOCATE('bar', 'foobarbar') | +----------------------------+ | 4 | +----------------------------+ SELECT LOCATE('My', 'Maria'); +-----------------------+ | LOCATE('My', 'Maria') | +-----------------------+ | 0 | +-----------------------+ SELECT LOCATE('bar', 'foobarbar', 5); +-------------------------------+ | LOCATE('bar', 'foobarbar', 5) | +-------------------------------+ | 7 | +-------------------------------+
See Also
- INSTR() ; Returns the position of a string withing a string
- SUBSTRING_INDEX() ; Returns the substring from string before count occurrences of a delimiter
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