Empty character set [] or [^] was specified.
This error generally occurs when the regular expressions option has been selected and a string containing incomplete syntax has been specified for the patterns Set of characters [] or Character not in set [^]. For example, [}.
To correct this error
- Review the topic Regular Expressions for information on the correct syntax for the pattern and enter the string again.
See Also
Reference
Regular Expressions (Visual Studio)
Quick Find, Find and Replace Window
Find in Files, Find and Replace Window