Searching a column containing CSV data in a MySQL table for existence of input values

Question

I have a table say, ITEM, in MySQL that stores data as follows:

ID    FEATURES
--------------------
1     AB,CD,EF,XY
2     PQ,AC,A3,B3
3     AB,CDE
4     AB         


        

Answer 1

For all you REGEXP lovers out there, I thought I would add this as a solution:

SELECT * FROM ITEM WHERE FEATURES REGEXP '[[:<:]]AB|PQ[[:>:]]';

and for case sensitivity:

SELECT * FROM ITEM WHERE FEATURES REGEXP BINARY '[[:<:]]AB|PQ[[:>:]]';

For the second query:

SELECT * FROM ITEM WHERE FEATURES REGEXP '[[:<:]]AB|PQ[[:>:]]' AND FEATURES REGEXP '[[:<:]]CDE[[:>:]];

Cheers!