Regular Expressions 101

^start of line

\w+any word character, repeated at least once

Group 1(-\w+)*

*repeats the group contents below any number of times:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\w+any word character, 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.

Search reference

Regular Expression

^\w+(-\w+)*$

New

Ya-Mo
Ya-Mo-Ga
Ya--Mo
Ya---Mo
-Ya
-Ya-Mo-
Ya-
ya