diff --git a/Scripts/Bash/Functions/cli.sh b/Scripts/Bash/Functions/cli.sh
index 3577095..264850b 100644
--- a/Scripts/Bash/Functions/cli.sh
+++ b/Scripts/Bash/Functions/cli.sh
@@ -35,7 +35,7 @@ function cli {
     # variables passed as second argument to the command line
     # interface when the format is `--option=value' without the value
     # part.
-    if [[ "$2" =~ '^-{1,2}[a-z]+=.+$' ]];then
+    if [[ "$2" =~ '^--[a-z-]+=.+$' ]];then
         
         # Define option name passed in the second argument.
         OPTIONNAM=$(echo "$2" | cut -d = -f1)
@@ -49,7 +49,7 @@ function cli {
     # Define option name (OPTIONNAM), and option value (OPTIONVAL)
     # variables passed as second argument to the command line
     # interface when the format is `--option' without the value part.
-    elif [[ "$2" =~ '^-{1,2}[a-z-]+=?$' ]];then
+    elif [[ "$2" =~ '^--[a-z-]+=?$' ]];then
 
         # Define option name passed in the second argument.
         OPTIONNAM=$(echo "$2" | cut -d = -f1)