Regular Expressions 101

Pro

Group 1(.+)

.+any character (except for line terminators), repeated at least once

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\1the text saved by group 1

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\1the text saved by group 1

Non-Capturing Group(?:;\1)?

?repeats the group contents below at most once:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\1the text saved by group 1

Global pattern flags

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

Detailed match information will be displayed here automatically.

27 tokens

(.+);\1;\1(?:;\1)?

New

NAME;NAME;NAME
NAME;NAME;NAME;NAME
NAME;NAME;NAME;
NAME;NAME;NAMES
NAME;NAME;NAME;NAME;NAME

NAME;NAME;NAME
NAME;NAME;NAME;NAME
NAME;NAME;NAME;
NAME;NAME;NAMES
NAME;NAME;NAME;NAME;NAME