Regular Expressions 101

Explanation

Pro

1st Alternative\w+(?:-+\w+)+

\w+any word character, repeated at least once

Non-Capturing Group(?:-+\w+)+

+repeats the group contents below at least once:

-+the literal - (45₁₀ / 55₈ / 2D₁₆) , repeated at least once

\w+any word character, repeated at least once

2nd Alternative\w+(?:\.+\w+)*\.?

\w+any word character, repeated at least once

Non-Capturing Group(?:\.+\w+)*

*repeats the group contents below any number of times:

\.+the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated at least once

\w+any word character, repeated at least once

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

3rd Alternative[^\w\s]+

Negated Character Class[^\w\s]+

+matches at least one character outside the set below:

\wany word character

\sany whitespace character

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

\w+(?:-+\w+)+|\w+(?:\.+\w+)*\.?|[^\w\s]+

New

k-11
b.....sc....
really???? k---11
b.s
b.s.

k-11
b.....sc....
really???? k---11
b.s
b.s.