Why is this an issue?

Sharing some naming conventions is a key point to make it possible for a team to efficiently collaborate. This rule allows to check that all signal names match a provided regular expression.

How to fix it

Code examples

Noncompliant code example

With default regular expression ^[a-z]|[a-z]+[a-z0-9_]*[a-z0-9]+$:

signal MySignal : std_logic;

Compliant solution

With default regular expression ^[a-z]|[a-z]+[a-z0-9_]*[a-z0-9]+$:

signal my_signal : std_logic;