Regular Expressions 101

Group 1([(]*)

Character Class[(]*

*matches any number of characters from the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:$[^)]*$)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^)]*

*matches any number of characters outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group 2([)]*)

Character Class[)]*

*matches any number of characters from the set below:

)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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

([(]*)(?:\([^)]*\))([)]*)

New

(ABC)
((ABC))
(((ABC)))
((ABC)a)

(ABC)
((ABC))
(((ABC)))
((ABC)a)