bin/sf in salesforce-deploy-tool-0.7.2 vs bin/sf in salesforce-deploy-tool-0.7.3

@@ -183,11 +183,11 @@
     end
 
     config_new = {}
 
     config_new[:username] = ask "Please enter your SalesForce production login user name" do |q|
-      q.validate = /^[\.@a-zA-Z\s]+$/ 
+      q.validate = /^\S+@\S+$/ 
     end.to_s
 
     config_new[:password] = ask "Please enter your Salesforce production password" do |q|
       q.echo = "x"
     end.to_s
@@ -195,10 +195,10 @@
     git_name = ask "Please enter your Full name to be used as commit owner on GIT" do |q|
       q.validate = /^[a-zA-Z\s]+$/ 
     end
 
     git_email = ask "Please enter your email to be used as commit email on GIT" do |q|
-      q.validate = /^.+@.+$/ 
+      q.validate = /^\S+@\S+$/ 
     end
 
     %x[git config --global user.email "#{git_email}"]
     %x[git config --global user.name "#{git_name}"]