To hide a group of files/folders you may add a mask.
You may add a mask to Hide List in several ways:
Select "File" -> "Add item" -> "Add mask" menu option
Click "Add item" toolbar button and select "Add mask"
Type in "Add quick mask" area on the main Toolbar and press "Enter"
Below is a list of wildcards and special characters and examples or their use:
The match-one character matches any single character except the directory separator; it does not match the end of the string. Use it in the drive name and file name only; do not use it in a directory name. For example:
The match-all character matches zero or more characters; it does not cross a directory boundary. Use it in the drive name and file name only; do not use it in a directory name. For example:
The directory separator character limits the scope of the search for the matching n characters and directories. If a pattern does not begin with a directory separator (or one does not follow the drive specification), a match-all directories is appended to the pattern. For example, these patterns are equivalent:
The drive separator character separates a file specification. The characters before the colon identify a drive name. The characters after the colon identify either a directory name or a file name. For example: