Regular Expressions 101

Non-Capturing Group(?:^\(|\G(?!^),)

1st Alternative^\(

^start of line

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

2nd Alternative\G(?!^),

\Gstart of current search

Negative Lookahead(?!^)

^start of line

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 1("[A-Z]+")

"the literal " (34₁₀ / 42₈ / 22₁₆)

Character Class[A-Z]+

+matches at least one character from the set below:

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

Positive Lookahead(?=(?:,"[A-Z]+")*\)$)

Non-Capturing Group(?:,"[A-Z]+")*

*repeats the group contents below any number of times:

,"the literal text ,"

Character Class[A-Z]+

+matches at least one character from the set below:

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

"the literal " (34₁₀ / 42₈ / 22₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

$end of line

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?:^\(|\G(?!^),)("[A-Z]+")(?=(?:,"[A-Z]+")*\)$)

New

("JOY","SAD")
("JOY","sad")
("JOY",0)
("JOY","'")
("JOY",SAD)
("JOY","")
("")
("0")
(a)