Regular Expressions 101

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Negative Lookahead(?![^()]+\))

Negated Character Class[^()]+

+matches at least one character outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Positive Lookahead(?=[a-zA-Z(])

Character Class[a-zA-Z(]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

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

(the literal ( (40₁₀ / 50₈ / 28₁₆)

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.

Search reference

Regular Expression

,(?![^()]+\))(?=[a-zA-Z(])

New

hist1234,geog293,lap_933,(a-20,110,60),(z-8,9,n10),POLY5,9,3,8,ro water

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