Regex to match phone number 5ABXXYYZZ-CodePudding

I am using regex to match 9 digits phone numbers.

I have this pattern 5ABXXYYZZ that I want to match.

What I tried

I have this regex that matches two repetitions only 5ABCDYYZZ

S_P_2 = 541982277
S_P_2_pattern = re.sub(r"(?!.*(\d)\1(\d)\2(\d)\3).{4}\d(\d)\4(\d)\5", "Special", str(S_P_2))
print(S_P_2_pattern)

What I want to achieve

I would like to update it to match three repetitions 5ABXXYYZZ sample 541882277

CodePudding user response：

Try:

^5\d\d(?:(\d)\1(?!.*\1)){3}$

See an online demo

^5\d\d - Start-line anchor and literal 5 before two random digits;
(?:(\d)\1(?!.*\1)){3} - Non-capture group matched three times with nested capture group followed by itself directly but (due to negative lookahead) again after 0 chars;
$ - End-line anchor.