Example

Return a substring of a string before a specified number of delimiter occurs:

SELECT SUBSTRING_INDEX("www.w3schools.com", ".", 1);

Definition and Usage

The SUBSTRING_INDEX() function returns a substring of a string before a specified number of delimiter occurs.

Syntax

SUBSTRING_INDEX(string, delimiter, number)

Parameter Values

Parameter Description
string Required. The original string
delimiter Required. The delimiter to search for
number Required. The number of times to search for the delimiter. Can be both a positive or negative number. If it is a positive number, this function returns all to the left of the delimiter. If it is a negative number, this function returns all to the right of the delimiter.

Technical Details

Works in: From MySQL 4.0

More Examples

Example

Return a substring of a string before a specified number of delimiter occurs:

SELECT SUBSTRING_INDEX("www.w3schools.com", ".", 2);


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