Regular Expressions 101

Pro

Non-Capturing Group(?:(\d+)x\d+(?:,\d+)?)?

?repeats the group contents below at most once:

Group 1(\d+)

\d+a digit, repeated at least once

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

\d+a digit, repeated at least once

Non-Capturing Group(?:,\d+)?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

Group 2(k?g|g|m?l)

1st Alternativek?g

k?optionally matches the literal k (107₁₀ / 153₈ / 6B₁₆) (case sensitive)

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case sensitive)

2nd Alternativeg

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case sensitive)

3rd Alternativem?l

m?optionally matches the literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

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

(?:(\d+)x\d+(?:,\d+)?)?\d+(k?g|g|m?l)

New

0,5g
500l
1000kg
20,5ml
20x0,50l (1 l = 1,70 €) zzgl. 3,10€ Pfand

0,5g
500l
1000kg
20,5ml
20x0,50l (1 l = 1,70 €) zzgl. 3,10€ Pfand