Regular Expressions 101

Pro

Group 1(;)?

?repeats the group contents below at most once:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

Non-Capturing Group(?:^| +)

1st Alternative^

^start of line

2nd Alternative +

+the literal (32₁₀ / 40₈ / 20₁₆) , repeated at least once

Group 2([\d.]+)

Character Class[\d.]+

+matches at least one character from the set below:

\da digit

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[ A-Z\/\d]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\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

(;)?(?:^| +)([\d.]+)[ A-Z\/\d]+

New

2 MG/ML
500 MCG
100 MG ; 200 MG ; 200 MCG
100 MCG/ML
325 MG ; 37.5 MG
60 G ; 9 G/1000 ML

$1$2

2 MG/ML
500 MCG
100 MG ; 200 MG ; 200 MCG
100 MCG/ML
325 MG ; 37.5 MG
60 G ; 9 G/1000 ML