Regular Expressions 101

1st Alternative(?P<multi>mul$(?P<num1>\d*),(?P<num2>\d*)$)+

Group multi(?P<multi>mul$(?P<num1>\d*),(?P<num2>\d*)$)+

+repeats the group contents below at least once:

multhe literal text mul (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group num1(?P<num1>\d*)

\d*a digit, repeated any number of times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group num2(?P<num2>\d*)

\d*a digit, repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative(?P<do>do)+

Group do(?P<do>do)+

+repeats the group contents below at least once:

dothe literal text do (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

3rd Alternative(?P<dont>don't)+

Group dont(?P<dont>don't)+

+repeats the group contents below at least once:

don'tthe literal text don't (case sensitive)

\(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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?P<multi>mul\((?P<num1>\d*),(?P<num2>\d*)\))+|(?P<do>do\(\))+|(?P<dont>don't\(\))+

xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))
mul(6,9!
mul ( 2 , 4 )
mul(4*
?(12,34)
mul(123,4)
mul(44,46)