Finding sequences with noise in a string

Question

So, if I have a string like 110110110, as you can see that, the sequence 110 is continuously appearing.

Answer 1

here you go

Regex

(\w{3,})\1

Test string

110110111
110111111
a0cc0vaaaabaaaabaaaacaa00bvw

Result

• MATCH 1
  • 1. [0-3] 110
• MATCH 2
  • 1. [13-16] 111
• MATCH 3
  • 1. [26-31] aaaab

demo here

regex is based on assumptions that pattern is at least 3 char long