laravel validatewithbag in request code example

Example 1: email validation in laravel

'email' => 'required|email|unique:users,email',
//@sujay

Example 2: laravel unique validation

unique:table,column,except,idColumn

############## Example : ################

############### For Updating  
//rules
'email' => 'unique:users,email_address,' . $userId,

############### For Creating 
//rules
'email' => 'unique:users,email_address',