ValidatorCrystal
Checks if a given string only contains of letters [a-zA-Z]
Class methods
is_alpha(input : String) : Bool
Sourceis_alpha_numeric(input : String) : Bool
Sourceis_ascii(input : String) : Bool
Sourceis_boolean(input : String) : Bool
Sourceis_email(input : String) : Bool
Sourceis_empty(input : String) : Bool
Sourceis_hexadecimal(input : String) : Bool
Sourceis_lower_case(input : String) : Bool
Sourceis_numeric(input : String) : Bool
Sourceis_upper_case(input : String) : Bool
Sourcelat_long(input : String) : Bool
Source