Regular Expressions 101

Pro

^start of line

\d+a digit, repeated at least once

Non-Capturing Group(?:,\d+)?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:;\d+(?:,\d+)?)*

*repeats the group contents below any number of times:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:,\d+)?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

$end of line

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.

25 tokens

^\d+(?:,\d+)?(?:;\d+(?:,\d+)?)*$

New

OK:

2,3;4,4;3,2
4,4,4,3
2,3
4,;5,5;5,4

2

2,3;3;4,3
2,
2;3,
3,4;6,6;5;5
NOK:


2,3,,,,

2,3asfafafa

;2,3

2,3;;3,4

2,3;3,4;

OK:

2,3;4,4;3,2
4,4,4,3
2,3
4,;5,5;5,4

2

2,3;3;4,3
2,
2;3,
3,4;6,6;5;5
NOK:


2,3,,,,

2,3asfafafa

;2,3

2,3;;3,4

2,3;3,4;