Regular Expressions 101

Explanation
Pro

Positive Lookahead(?=\S*[a-z])

\S*any non-whitespace character, repeated any number of times

Character Class[a-z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

Positive Lookahead(?=\S*\d)

\S*any non-whitespace character, repeated any number of times

\da digit

Character Class[a-z\d]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\da digit

Non-Capturing Group(?:[.-][a-z\d]+)+

+repeats the group contents below at least once:

Character Class[.-]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-z\d]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

\da digit

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

(?=\S*[a-z])(?=\S*\d)[a-z\d]+(?:[.-][a-z\d]+)+

New

3370.01b, 6510.01.b, m-5510.30, and drm-2013-c-004914 hello, sk8, and mixed-up

3370.01b, 6510.01.b, m-5510.30, and drm-2013-c-004914 hello, sk8, and mixed-up