docs(file-naming): file naming policy reference

docs/naming_convention.rst

@@ -42,5 +42,18 @@ To facilitate classification, we have defined a standard notation for structure
 Where `XX` is a two digits integer followed by an hyphen, and `<name>` is a name that describes 
 the structure that is in this file. We advise you to adopt this convention as well.
 
-Moreover, it is preferable to only use lowercase ASCII letters, numbers and the `"_"` (undescore) character. 
+.. _filenamingconvention:
+
+Generic file naming policy
+---------------------------
+
+Here are our generic file naming conventions.
+
+The regular expression that validates our file naming policy is:
+
+.. code-block:: python
+
+    NAME_REGEXP = re.compile(r"^[a-z0-9_]*$")
+
+You can see that it is preferable to only use lowercase ASCII letters, numbers and the `"_"` (undescore) character. 
 The snake case typographic convention is therefore used.

docs/tutorial/practice1.rst

@@ -35,7 +35,7 @@ These two variables are highlighted here in the lower part of the firefox config
       Of course, you can also decide to copy/paste or download the tutorial files contents while following the tutorial steps.
 
     If you want to follow this tutorial with the help of the corresponding :tutorial:`rougail-tutorials git repository <src/branch/1.1>`,
-    this workshop page corresponds to the tags :tutorial:`1.1_130 <src/tag/1.1_130/README.md>` to :tutorial:`1.1_132 <src/tag/1.1_132/README.md>`
+    this workshop page corresponds to the tags :tutorial:`1.1_130 <src/tag/1.1_130/README.md>` to :tutorial:`1.1_131 <src/tag/1.1_131/README.md>`
     in the repository.
 
     ::
@@ -52,7 +52,7 @@ What do we want to be implemented
 .. exercise:: Exercice
 
     - choose a file name that respect the :ref:`file naming and organizing convention <namingconvention>`
-    - define an appropriate variable name # FIXME pas de convention pour le nom des familles/variables ?
+    - define an appropriate variable name, have a look at our :ref:`file naming convention <filenamingconvention>`
     - the Firefox description is in negative mode, which is not a good practice for us, we rewrite it in positive mode
     - the variable is a boolean with the default value `true` (the opposite of unchecked option)
     - the variable is available for all proxy mode choice by user, so disable it only when the `proxy mode` is "No proxy".