macros:regular expression

Information on regular expressions can be found here: [1] Note that because this is Java, the regular expression are slightly different from regular 'regular expressions'. Here is the java page that explains what the java regular expressions are. [2]

There are many online regex testers to help you work them out: [duckduckgo.com/?q=java+regex+tester]

Note: the newline or (line-break) character is \\\n (three slashes). All the other characters like {space} require two slashes \\s