Regular Expressions 101

Pro

Group 1([0-9])

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 2(.*\1){3}

{3}repeats the group contents below exactly 3 times:

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

\1the text saved by group 1

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

([0-9])(.*\1){3}

New

1exampl1of1val3id1match1
22ad//13sf2qett2222
3333asdfccwerq3w+134er

1exampl1of1val3id1match1
22ad//13sf2qett2222
3333asdfccwerq3w+134er