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Regular Expressions With MySQL
SELECT * FROM texts WHERE content REGEXP '[^a-z]Hello[^a-z]' ;
If you really want to force a REGEXP comparison to be case sensitive, use the BINARY keyword to make one of the strings a binary string.
SELECT * FROM texts WHERE content REGEXP BINARY '[^a-zA-Z]Hello[^a-zA-Z]' ;
Warning: some characters do not work. Example :
SELECT * FROM texts WHERE content REGEXP '[^\w]Hello[^\w]' ;
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