question: private static String extractShortcut ( String pattern ) { char [ ] wildcardChars = new char [ ] { '*' , '?' } ; int startIndex = 0 ; int endIndex = StringUtils . indexOfAny ( pattern , wildcardChars ) ; if ( endIndex < 0 ) { return pattern ; } String shortcut = endIndex == startIndex ? StringUtils . EMPTY : pattern . substring ( startIndex , endIndex - startIndex ) ; while ( endIndex >= 0 ) { startIndex = startIndex + endIndex + 1 ; if ( pattern . length ( ) <= startIndex ) { break ; } endIndex = StringUtils . indexOfAny ( pattern . substring ( startIndex ) , wildcardChars ) ; String tmpShortcut = endIndex < 0 ? pattern . substring ( startIndex ) : pattern . substring ( startIndex , endIndex + startIndex ) ; if ( tmpShortcut . length ( ) > shortcut . length ( ) ) { shortcut = tmpShortcut ; } } return shortcut ; }
target:  Extracts longest string that does not contain * or ? symbols.