Regular Expressions 101

Pro

\s*any whitespace character, repeated any number of times

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\s*any whitespace character, repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\s*any whitespace character, repeated any number of times

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 1(.*(return\s*\d*\s*;?)\s*)

.*any character (except for line terminators), repeated any number of times

Group 2(return\s*\d*\s*;?)

returnthe literal text return (case sensitive)

\s*any whitespace character, repeated any number of times

\d*a digit, repeated any number of times

\s*any whitespace character, repeated any number of times

;?optionally matches the literal ; (59₁₀ / 73₈ / 3B₁₆)

\s*any whitespace character, repeated any number of times

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

\s*any whitespace character, repeated any number of times

;?optionally matches the literal ; (59₁₀ / 73₈ / 3B₁₆)

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

\s*\(\s*\)\s*\{(.*(return\s*\d*\s*;?)\s*)\}\s*;?

New

(){}
( ) { fsf }
() { return; }
() { return x; }
(){return 0;}
( ) { fsf return 0;}
( ) { return 0; }
(){ return; }
(){ if(x){ sdfsdf } return 0;}
(){ char x[20]; return };