SQLite - replace part of a string

And if you just want to do it in a query without lasting consequences:

SELECT fieldA, replace(field, 'C:\afolder\', 'C:\anewfolder\'), fieldB FROM table;

You can use the built in replace() function to perform a string replace in a query.

Other string manipulation functions (and more) are detailed in the SQLite core functions list

The following should point you in the right direction.

UPDATE table SET field = replace( field, 'C:\afolder\', 'C:\anewfolder\' ) WHERE field LIKE 'C:\afolder\%';

@Andrew answer is partially correct. No need to use WHERE clause here:

Only fields containing C:\afolder will be affected anyway, no reason to check it. It's excessive.
'C:\afolder\%' will choose only fields starting with C:\afolder\ only. What if you have this path inside string?

So the correct query is just:

UPDATE table SET field = replace( field, 'C:\afolder\', 'C:\anewfolder\');

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