Regular Expressions 101

Explanation

Pro

Group operator(?<operator>[+\-])?

?repeats the group contents below at most once:

Character Class[+\-]

+the literal + (43₁₀ / 53₈ / 2B₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:(?<dice>(?<numberOfDice>[\d]+)?[dD](?<faces>[\d]+)(?<explode>![\d]*)?(?<implode>¡[\d]*)?(?<selective>[kd][\d]+)?)|(?<constant>[\d]+))

1st Alternative(?<dice>(?<numberOfDice>[\d]+)?[dD](?<faces>[\d]+)(?<explode>![\d]*)?(?<implode>¡[\d]*)?(?<selective>[kd][\d]+)?)

Group dice(?<dice>(?<numberOfDice>[\d]+)?[dD](?<faces>[\d]+)(?<explode>![\d]*)?(?<implode>¡[\d]*)?(?<selective>[kd][\d]+)?)

Group numberOfDice(?<numberOfDice>[\d]+)?

?repeats the group contents below at most once:

Character Class[\d]+

+matches at least one character from the set below:

\da digit

Character Class[dD]

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case sensitive)

Group faces(?<faces>[\d]+)

Character Class[\d]+

+matches at least one character from the set below:

\da digit

Group explode(?<explode>![\d]*)?

?repeats the group contents below at most once:

!the literal ! (33₁₀ / 41₈ / 21₁₆)

Character Class[\d]*

*matches any number of characters from the set below:

\da digit

Group implode(?<implode>¡[\d]*)?

?repeats the group contents below at most once:

¡the literal ¡ (161₁₀ / 241₈ / A1₁₆)

Character Class[\d]*

*matches any number of characters from the set below:

\da digit

Group selective(?<selective>[kd][\d]+)?

?repeats the group contents below at most once:

Character Class[kd]

kthe literal k (107₁₀ / 153₈ / 6B₁₆) (case sensitive)

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

Character Class[\d]+

+matches at least one character from the set below:

\da digit

2nd Alternative(?<constant>[\d]+)

Group constant(?<constant>[\d]+)

Character Class[\d]+

+matches at least one character from the set below:

\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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?<operator>[+\-])?(?:(?<dice>(?<numberOfDice>[\d]+)?[dD](?<faces>[\d]+)(?<explode>![\d]*)?(?<implode>¡[\d]*)?(?<selective>[kd][\d]+)?)|(?<constant>[\d]+))

New

d4
1d4
1d20-10
2d6+1d8
3d10k2
3d10d2
6d6!
6d6!5
d100!96¡5
d6¡
d20¡2

Substitution

d4
1d4
1d20-10
2d6+1d8
3d10k2
3d10d2
6d6!
6d6!5
d100!96¡5
d6¡
d20¡2