--- AWSTemplateFormatVersion: "2010-09-09" Parameters: myAllowedPattern: Type: String Default: vpc AllowedPattern : "^[a-zA-Z0-9]*$" myMinValue: Type: Number Default: 1 MinValue: 1 myMaxValue: Type: Number Default: 1 MaxValue: 1 myAllowedValue: Type: String Default: us-east-1a AllowedValues: - us-east-1a - us-east-1b - us-east-1c myMinLength: Type: String Default: abc MinLength: 3 myMaxLength: Type: String Default: abc MaxLength: 3 ArtifactoryDbAdmin: AllowedPattern: "[a-z0-9]{6,16}+" # doesn't fail on a python bad regex ConstraintDescription: Alphanumeric string between 6 and 12 characters. Description: Remote PostGreSQL database's master user account. Type: String Default: abcdef CentralAccountId: Default: 112233445566 MaxLength: 12 MinLength: 12 Type: String CDLAllowedPattern: AllowedPattern: "[a-z]*$" ConstraintDescription: Alphanumeric string of any length. Description: test value using comma delimited list. Type: CommaDelimitedList Default: three,four CDLAllowedPatternWithSpaceInDefault: AllowedPattern: "[a-z]*$" AllowedValues: - one - two - three,four ConstraintDescription: Alphanumeric string of any length. Description: test value using comma delimited list. Type: CommaDelimitedList Default: one, two CDLAllowedValues: ConstraintDescription: Alphanumeric string of any length. Description: test value using comma delimited list. Type: CommaDelimitedList Default: three,four AllowedValues: - one - two - three,four CDLAllowedValuesWithSpaceInDefault: ConstraintDescription: Alphanumeric string of any length. Description: test value using comma delimited list. Type: CommaDelimitedList Default: one, two AllowedValues: - one - two - three,four CDLWithoutDefault: Type: CommaDelimitedList Resources: {}