MySQL REGEXP word boundaries [[:<:]] [[:>:]] and double quotes

Question

I\'m trying to match some whole-word-expressions with the MySQL REGEXP function. There is a problem, when there are double quotes involved.

The MySQL documentation s

Answer 1

In MySQL 8 and above

Adding to Oleksiy Muzalyev's answer

https://dev.mysql.com/doc/refman/8.0/en/regexp.html#regexp-compatibility

In MySQL 8.04 and above, you have to use:

\bword\b

Where \b represents the ICU variant for word boundary. The previous Spencer library uses [[:<:]] to represent a word boundary.

When actually using this as part of a query, I've had to escape the escape character \ so my query actually looked like

SELECT * FROM table WHERE field RLIKE '\\bterm\\b'

When querying from PHP, use SINGLE quotes to do the same thing

$sql = 'SELECT * FROM table WHERE field RLIKE ?';
$args = ['\\bterm\\b'];
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