.. _anomalous-backslash-in-string:

anomalous-backslash-in-string / W1401
=====================================

**Message emitted:**

Anomalous backslash in string: '%s'. String constant might be missing an r prefix.

**Description:**

*Used when a backslash is in a literal string but not as an escape.*


**Correct code:**

.. code-block:: python

  string = r"\z"
  string = "\n"


**Problematic code:**

.. code-block:: python

  string = "\z"  # [anomalous-backslash-in-string]




Created by ``string`` checker