to_lc

Converts the string to lower case.

Live example · edit rules or inputOpen in playground

rules

{
    email: ['email', 'to_lc']
}

{ email: ['email', 'to_lc'] }

input

{
    email: 'John@Mail.COM'
}

{ email: 'John@Mail.COM' }

Validoutput

{
  "email": "john@mail.com"
}