+the literal (3210 / 408 / 2016) , repeated at least once
+matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case insensitive)
+the literal (3210 / 408 / 2016) , repeated at least once
IF:the literal text IF: (case insensitive) .*?any character (except for line terminators), repeated any number of times
+the literal (3210 / 408 / 2016) , repeated at least once
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
Non-Capturing Group(?:^.*\r?\n)*? *?repeats the group contents below any number of times:
^start of line
.*any character (except for line terminators), repeated any number of times
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
+the literal (3210 / 408 / 2016) , repeated at least once
\1the text saved by group 1
+the literal (3210 / 408 / 2016) , repeated at least once
ENDIFthe literal text ENDIF (case insensitive) +the literal (3210 / 408 / 2016) , repeated at least once
$end of line
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters