diff --git a/pylintrc b/pylintrc
index 50ab44b..13e7501 100644
--- a/pylintrc
+++ b/pylintrc
@@ -30,7 +30,7 @@ load-plugins=
 # can either give multiple identifier separated by comma (,) or put this option
 # multiple time (only on the command line, not in the configuration file where
 # it should appear only once).
-disable=C0325,C0103
+disable=C0325
 
 
 [REPORTS]
@@ -109,7 +109,7 @@ notes=FIXME,XXX,TODO
 bad-functions=filter,apply,input
 
 # Regular expression which should only match correct module names
-module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9_]+))$
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
 
 # Regular expression which should only match correct module level names
 const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
@@ -121,16 +121,16 @@ class-rgx=[A-Z_][a-zA-Z0-9]+$
 function-rgx=[a-z_][a-z0-9_]{2,30}$
 
 # Regular expression which should only match correct method names
-method-rgx=[a-z_][a-zA-Z0-9_]{2,30}$
+method-rgx=[a-z_][a-z0-9_]{2,30}$
 
 # Regular expression which should only match correct instance attribute names
 attr-rgx=[a-z_][a-z0-9_]{2,30}$
 
 # Regular expression which should only match correct argument names
-argument-rgx=[a-z_][a-zA-Z0-9_]{0,30}$
+argument-rgx=[a-z_][a-z0-9_]{2,30}$
 
 # Regular expression which should only match correct variable names
-variable-rgx=[a-z_][a-zA-Z0-9_]{0,30}$
+variable-rgx=[a-z_][a-z0-9_]{2,30}$
 
 # Regular expression which should only match correct list comprehension /
 # generator expression variable names