正则表达式替换为MySql Select查询

Question

I have this SQL query:

SELECT * FROM pages WHERE page_title = 'paul_mccartney'

But often in page_title the value is like ' paul_mccartney (musician) '. And in this case I get NULL back. I had the idea to regex replace everything which is between ( and ) including the () :

SELECT * FROM pages WHERE REPLACE(REGEXP('/\([^\*].*\)/U'), '', page_title) = 'paul_mccartney'

But it doesn't work. Is my idea possible or not? And how?

Answer 1

Although your question is about using RegEx but have you looked into MySQL fulltext search functions?

https://dev.mysql.com/doc/refman/5.0/en/fulltext-search.html https://dev.mysql.com/doc/refman/5.1/en/fulltext-boolean.html

Using the following tutorials if you have a row that is like this:

Id  title
1   paul_mccartney (musician)

Using the example SQL provided will return a result:

SELECT * FROM articles
WHERE MATCH (title) AGAINST ('paul_mccartney' IN BOOLEAN MODE)

Answer 2

您可以尝试一个LIKE ，看看它是如何工作的：

SELECT * FROM pages WHERE page_title LIKE '%paul_mccartney%'