diff --git a/pydetex/_symbols.py b/pydetex/_symbols.py
index ccc445c..399a806 100644
--- a/pydetex/_symbols.py
+++ b/pydetex/_symbols.py
@@ -24,6 +24,7 @@
     ('---', '—'),
     ('\#', '#'),
     ('\&', '&'),
+    ('\_', '_'),
     ('~', ' '),
     ('fi', 'fi')
 ]
diff --git a/pydetex/version.py b/pydetex/version.py
index f0741e1..da3e784 100644
--- a/pydetex/version.py
+++ b/pydetex/version.py
@@ -32,6 +32,6 @@ def __str__(self) -> str:
     patch = property(lambda self: self[2])
 
 
-vernum = Version(1, 0, 3)
+vernum = Version(1, 0, 4)
 ver = str(vernum)
 rev = ''
diff --git a/test/test_parsers.py b/test/test_parsers.py
index 8416fda..172b64a 100644
--- a/test/test_parsers.py
+++ b/test/test_parsers.py
@@ -160,6 +160,7 @@ def test_simple_replace(self) -> None:
                          'The following example $α₀+β²=0$')
         self.assertEqual(par.simple_replace('This is a $x_0$ and \(x^2\)'), 'This is a $x₀$ and \(x²\)')
         self.assertEqual(par.simple_replace('This is $\\alpha$'), 'This is $α$')
+        self.assertEqual(par.simple_replace('This is \#my\_var'), 'This is #my_var')
 
     def test_parse_inputs(self) -> None:
         """
diff --git a/test/test_pipelines.py b/test/test_pipelines.py
index 56708bb..b37d1a2 100644
--- a/test/test_pipelines.py
+++ b/test/test_pipelines.py
@@ -121,14 +121,11 @@ def test_strict(self) -> None:
                          par._load_file_search('data/example_complex_envs_output.txt'))
 
         # Exclusive tests
-        test_complex = True
-        if 'GITHUB' in os.environ:
-            return
         example_files = [
             ('data/example_complex_template.txt', 'data/example_complex_template_output.txt')
         ]
-        if not test_complex:
-            example_files = []
+        if not (True and 'GITHUB' not in os.environ):  # If not test complex
+            example_files.clear()
         for f in example_files:
             self.assertEqual(pip.strict(par._load_file_search(f[0])), par._load_file_search(f[1]))