regex101: q

Group 1(^| |[a-z-A-Z]{2,}|[a-df-zA-Z]| *-[0-9]+|[0-9]+)

1st Alternative^

^start of line

2nd Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

3rd Alternative[a-z-A-Z]{2,}

Character Class[a-z-A-Z]{2,}

{2,}matches at least 2 characters from the set below:

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

4th Alternative[a-df-zA-Z]

Character Class[a-df-zA-Z]

a-done character from a (97₁₀) to d (100₁₀) (case sensitive)

f-zone character from f (102₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

5th Alternative *-[0-9]+

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

6th Alternative[0-9]+

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 2(-)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3([0-9]+|[0-9]+e[0-9]+|[0-9]+-e[0-9]+)

1st Alternative[0-9]+

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

2nd Alternative[0-9]+e[0-9]+

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

3rd Alternative[0-9]+-e[0-9]+

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-ethe literal text -e (case sensitive)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

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

25 tokens

Regular Expression

(^| |[a-z-A-Z]{2,}|[a-df-zA-Z]| *-[0-9]+|[0-9]+)(-)([0-9]+|[0-9]+e[0-9]+|[0-9]+-e[0-9]+)

Unit Tests

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