Regular Expressions 101

Explanation
Pro

Non-Capturing Group(?:0|[1-9]\d*+)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]\d*+

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d*+a digit, repeated any number of times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:0|[1-9]\d*+)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]\d*+

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d*+a digit, repeated any number of times

Non-Capturing Group(?:;(?:0|[1-9]\d*+),(?:0|[1-9]\d*+)){3}

{3}repeats the group contents below exactly 3 times:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

Non-Capturing Group(?:0|[1-9]\d*+)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]\d*+

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d*+a digit, repeated any number of times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:0|[1-9]\d*+)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]\d*+

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d*+a digit, repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

(?:0|[1-9]\d*+),(?:0|[1-9]\d*+)(?:;(?:0|[1-9]\d*+),(?:0|[1-9]\d*+)){3}

1,2;2,3;4,5;0,3

1-9

1,2;2,3;4,5;0,3