HTTP Status Code in PY
Match 3-digit HTTP status codes in the 1xx–5xx range.
Try it in the PY tester →Pattern
regexPY
\b[1-5]\d{2}\b (flags: g)Python (re) code
pyPython
import re
pattern = re.compile(r"\b[1-5]\d{2}\b")
input_text = "HTTP 200 OK"
for m in pattern.finditer(input_text):
print(m.group(0))Stdlib `re` module — no third-party dependency. Works on Python 3.6+.
How the pattern works
Leading digit 1–5 covers all standard class codes (informational, success, redirect, client error, server error), followed by any two digits. Word boundaries prevent partial matches.
Examples
Input
HTTP 200 OKMatches
200
Input
Returned 404, then 500Matches
404500
Input
no codes hereNo match
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