regex101: Select commans only outside parenthesis

Pro

,the literal , (44₁₀ / 54₈ / 2C₁₆)

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

Negated Character Class[^(]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)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

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

25 tokens

Regular Expression

,(?![^(]*\))

New

ISNULL(column, 0),column2 alias, column3,ISNULL(column, 0, alksd, dlsaksla),column2 alias, array_position(ARRAY['f', 'p', 'i', 'a']::varchar[], x_field),column3,ISNULL(column, 0),column2 alias, column3,ISNULL(column, 0),column2 alias, column3

Extraction

ISNULL(column, 0),column2 alias, column3,ISNULL(column, 0, alksd, dlsaksla),column2 alias, array_position(ARRAY['f', 'p', 'i', 'a']::varchar[], x_field),column3,ISNULL(column, 0),column2 alias, column3,ISNULL(column, 0),column2 alias, column3