Regular Expressions 101

Explanation
Pro

Non-Capturing Group(?:(?<=,\s)|^)

1st Alternative(?<=,\s)

Positive Lookbehind(?<=,\s)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sa Unicode whitespace character

2nd Alternative^

^start of line

Group key(?P<key>[^[(]+(?:\[[^]]+\])?)

Negated Character Class[^[(]+

+matches at least one character outside the set below:

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:\[[^]]+\])?

?repeats the group contents below at most once:

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Negated Character Class[^]]+

+matches at least one character outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\sa Unicode whitespace character

Group value(?P<value>$[^)]+$)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^)]+

+matches at least one character outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

(?:(?<=,\s)|^)(?P<key>[^[(]+(?:\[[^]]+\])?)\s(?P<value>\([^)]+\))

New

alamine A (12 000 UI/kg), thiamine D3 (1 200 UI/kg), niacine E (70 mg/kg), zinc [sous forme d'oxyde de zinc] (70 mg/kg), zinc [sous forme de chélate de zinc d'acides aminés, hydraté] (45 mg/kg), copper [sous forme de sulfate de cuivre (II), pentahydraté] (10 mg/kg), iode [sous forme d'iodate de calcium, anhydre] (2 mg/kg), sélénium [sous forme de sélénite de sodium] (0.2 mg/kg), cyaobactin12 (0.2%)