Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

so in your first example, "AB" was in the capture group and the \1 repeats it?


Correct. The following

    (.*)\1+
Would also match "ABABAB", for example.




Consider applying for YC's Fall 2026 batch! Applications are open till July 27.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: