org.sonar.l10n.py.rules.python.S5996.html Maven / Gradle / Ivy
Why is this an issue?
In regular expressions the boundaries ^
and \A
can only match at the beginning of the input (or, in case of
^
in combination with the MULTILINE
flag, the beginning of the line) and $
, \Z
and \z
only at the end.
These patterns can be misused, by accidentally switching ^
and $
for example, to create a pattern that can never
match.
Noncompliant code example
# This can never match because $ and ^ have been switched around
r"$[a-z]+^" # Noncompliant
Compliant solution
r"^[a-z]+$"
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