MySQL FIND_IN_SET() Function

Search for "q" within the list of strings

Definition and Usage

The FIND_IN_SET() function returns the position of a string within a list of strings.

FIND_IN_SET(string, string_list)

Parameter	Description
string	Required. The string to search for
string_list	Required. The list of string values to be searched (separated by commas)

If string is not found in string_list, this function returns 0

If string or string_list is NULL, this function returns NULL

If string_list is an empty string (""), this function returns 0

Works in:	From MySQL 4.0

Search for "a" within the list of strings:

SELECT FIND_IN_SET("a", "s,q,l");

Search for "q" within the list of strings (string list is NULL):

SELECT FIND_IN_SET("q", null);

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