| INSTRB |
INSTRB(string1, string2[, n[, m]]) |
Searches string1 to find string2 and returns the byte position in string1 where string2 begins.
INSTRB is similar to INSTR, except that the return value represents a byte index into stringr1, not a character index. When a single-byte character set is used, INSTR and INSTRB return the same result; a difference only occurs when using a multibyte character set.
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