rspec/rules/S4784/python/rule.adoc

include::../description.adoc[]

include::../ask-yourself.adoc[]

include::../recommended.adoc[]

== Sensitive Code Example

Django

----
from django.core.validators import RegexValidator
from django.urls import re_path

RegexValidator('(a*)*b')  # Sensitive

def define_http_endpoint(view):
    re_path(r'^(a*)*b/$', view)  # Sensitive
----

``++re++`` module

----
import re
from re import compile, match, search, fullmatch, split, findall, finditer, sub, subn


input = 'input string'
replacement = 'replacement'

re.compile('(a*)*b')  # Sensitive
re.match('(a*)*b', input)  # Sensitive
re.search('(a*)*b', input)  # Sensitive
re.fullmatch('(a*)*b', input)  # Sensitive
re.split('(a*)*b', input)  # Sensitive
re.findall('(a*)*b', input)  # Sensitive
re.finditer('(a*)*b',input)  # Sensitive
re.sub('(a*)*b', replacement, input)  # Sensitive
re.subn('(a*)*b', replacement, input)  # Sensitive
----

``++regex++`` module

----
import regex
from regex import compile, match, search, fullmatch, split, findall, finditer, sub, subn, subf, subfn, splititer

input = 'input string'
replacement = 'replacement'

regex.subf('(a*)*b', replacement, input)  # Sensitive
regex.subfn('(a*)*b', replacement, input)  # Sensitive
regex.splititer('(a*)*b', input)  # Sensitive

regex.compile('(a*)*b')  # Sensitive
regex.match('(a*)*b', input)  # Sensitive
regex.search('(a*)*b', input)  # Sensitive
regex.fullmatch('(a*)*b', input)  # Sensitive
regex.split('(a*)*b', input)  # Sensitive
regex.findall('(a*)*b', input)  # Sensitive
regex.finditer('(a*)*b',input)  # Sensitive
regex.sub('(a*)*b', replacement, input)  # Sensitive
regex.subn('(a*)*b', replacement, input)  # Sensitive

----

include::../exceptions.adoc[]

include::../see.adoc[]