Returns the position of the first occurrence of substring substr in string str. This is the same as the two-argument form of LOCATE(), except that the order of the arguments is reversed.

INSTR() performs a case-insensitive search.

If any argument is NULL, returns NULL.


SELECT INSTR('foobarbar', 'bar');
| INSTR('foobarbar', 'bar') |
|                         4 |

SELECT INSTR('My', 'Maria');
| INSTR('My', 'Maria') |
|                    0 |

See Also

  • LOCATE() ; Returns the position of a string within a string
  • SUBSTRING_INDEX() ; Returns the substring from string before count occurrences of a delimiter


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