Rails Regex

Ruby

#regex templates
#Subdomain 
#ensure there are no special characters and the subdomain does not end with a - or _
   /^[a-z\d]+([-_][a-z\d]+)*$/i 
   
#title 
  /[a-zA-Z0-9.\s]+/i
  
  
# ensure secret contains at least one number
  validates_format_of :secret, :with => /[0-9]/,
    :message => "must contain at least one number"

# ensure secret contains at least one upper case
  validates_format_of :secret, :with => /[A-Z]/,
    :message => "must contain at least one upper case character"

# ensure secret contains at least one lower case
  validates_format_of :secret, :with => /[a-z]/,
    :message => "must contain at least one lower case character"
    
    
    
#resources

http://idiosyncratic-ruby.com/11-regular-extremism.html

# RubyMine Replace Regex https://regexr.com/4mqo1

   Sample: Faker::Number.between(0, 1000)
   Target: Faker::Number.between(from: 0, to: 1000)
   Regex Search: between\(([0-9]), ([0-9]*)\)
   Replace: between(from: $1, to: $2)