Regular Expressions 101

Pro

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

?repeats the group contents below at most once:

Group 1(\d+)

\d+a Unicode decimal digit, repeated at least once

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Group 2([^ +-]+)

Negated Character Class[^ +-]+

+matches at least one character outside the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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+)\*)?([^ +-]+)

6*n101110111*n111111111 + 3*n101111101 + 6*n101111111 + n111111111

6*n101110111*n111111111 + 3*n101111101 + 6*n101111111 + n111111111