Appendix D: RegEx Utility
- Last UpdatedMay 12, 2025
- 2 minute read
A regular expression (RegEx) is a special text string to describe a search pattern.
The following table lists the various RegEx utility options and their various user actions.
|
RegEx Utility Options |
User Action |
|---|---|
|
Search Pattern |
Select this to specify a regular expression search pattern or patterns. Multiple patterns can be specified by putting each pattern on a new line. |
|
Generate Pattern |
Select this to generate a regular expression search pattern. |
|
Source Text |
Type or paste the source text in the source text section. This activates the Generate Patterns button and generates Regular Expression patterns in the Search Pattern box that match the lines in the Source Text box. |
|
Import Source |
Click this to import the source text. |
|
Search |
Select this to apply the patterns to the source text. The summary of searches is listed in the Search Results box. |
|
Detailed Search |
Select this to search each line of the source text in each pattern. If a pattern finds a match on a line that line is no longer considered by subsequent patterns. |
|
Include Misses |
Select this to include the lines where a match is not found for specified pattern(s) in the search results. |
|
Include Matches |
Select this option to include the lines where a match is found for specified pattern(s) in the search results. |
|
Right to Left |
Select this option to allow the patterns to start searching from the end of lines in the source text and not the start. |
|
Java RegEx |
Select this option to employ the Java flavor of RegEx. |
|
Search Results |
Use the search results that is displayed indicating the patterns, source text, total source lines and matches. |
|
Save to File |
Click this to save the search results file. |