Regular Expressions 101

Pro

Group 1(AAA|BBB|CCC|DDD)

1st AlternativeAAA

AAAthe literal text AAA (case sensitive)

2nd AlternativeBBB

BBBthe literal text BBB (case sensitive)

3rd AlternativeCCC

CCCthe literal text CCC (case sensitive)

4th AlternativeDDD

DDDthe literal text DDD (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2(([^()]*|\([^()]*\))*)

Group 3([^()]*|\([^()]*\))*

*repeats the group contents below any number of times:

1st Alternative[^()]*

Negated Character Class[^()]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative\([^()]*\)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^()]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(AAA|BBB|CCC|DDD)\((([^()]*|\([^()]*\))*)\)

New

one two 12AAA(CCC(C1_1);A1_1;DDD(145))dfg 
dfgdfgdfg,BBB(B1_1; CCC(C1_1); B1_2) sfsgndf 
dfgnhjdfglkjdfg DDD(D1_1)
CCC()

one two 12AAA(CCC(C1_1; DDD(D1_1));A1_1)dfg

Substitution

one two 12AAA(CCC(C1_1);A1_1;DDD(145))dfg 
dfgdfgdfg,BBB(B1_1; CCC(C1_1); B1_2) sfsgndf 
dfgnhjdfglkjdfg DDD(D1_1)
CCC()

one two 12AAA(CCC(C1_1; DDD(D1_1));A1_1)dfg