Item 

Description 

Case sensitive 

Differentiates uppercase from lowercase when performing a search.  

Whole words only 

Searches for words only. If unchecked, the search string might be found within longer words.  

Regular expressions 

Recognizes regular expressions in the search string.  

Search all files in project 

Searches all files in the open project.  

Search all open files 

Searches files that are currently open.  

Search in directories 

When selected, the Search Directory Options are available. The search proceeds through all files indicated.  

File mask 

Specify the path of the files to be searched.
To search other files, use a wildcard entry (such as *.* or *.txt) at the end of the path.
To enter multiple masks, separate the masks with semicolons.
To search for files in the product root directory, specify the root directory using the appropriate environment variable.  

Include subdirectories 

Searches subdirectories of the directory path specified.  

Display results in separate tab in message view 

Causes the results of the search to be displayed in a new search tab in the Messages view. The tab is labeled Search for <string>, where string is the text you searched for.
If not checked, a new search tab is created unless one already exists. If a search tab exists, the search results are placed in the existing search tab and the label is changed. If no results are found, that search tab is deleted.