Replace any instance of the left square bracket character “[” that happens to be the fifth character in a paragraph
Article contributed by Bill Coan
In the Replace dialog box, click More, then check Use Wildcards and enter the following strings:
Find What:
(^13????)\[
Replace With:
\1
For many more examples of wildcard searches, and for in-depth coverage of how to use wildcards, see: Finding and replacing characters using wildcards.