Regular Expressions 101

1st Alternative\d*[.,]?\d+\s*(?:k?g|l)\b

\d*a digit, repeated any number of times

Character Class[.,]?

?matches at most one character from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:k?g|l)

1st Alternativek?g

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

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

2nd Alternativel

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

\ban ASCII word boundary

2nd Alternative\b(?:k?g|l)\s*\d*[.,]?\d+

\ban ASCII word boundary

Non-Capturing Group(?:k?g|l)

1st Alternativek?g

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

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

2nd Alternativel

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

\s*any whitespace character, repeated any number of times

\d*a digit, repeated any number of times

Character Class[.,]?

?matches at most one character from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

\d*[.,]?\d+\s*(?:k?g|l)\b|\b(?:k?g|l)\s*\d*[.,]?\d+

New

ABC 200g EFG 5,4 Kg HIL 2x20l 

ABC g200 EFG kg 5,4 HIL l 20x2