Regex compiled per call
Review this Python validator called on every request.
What a strong answer looks like
Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.
0:00 of about 16 min
Mark a line and say what kind of problem it is.0 findings
1import re
2
3def is_valid_sku(sku):
4 pattern = re.compile(r"^[A-Z]{3}-\d{4}-[A-Z0-9]{2}$")
5 return bool(pattern.match(sku))
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