API Reference > bentleyjs-core > Ids > Guid > Guid.normalize Guid.normalize Function Normalize a Guid string if possible. Normalization consists of: Convert all characters to lower case Trim any leading or trailing whitespace Convert to the standard Guid format "8-4-4-4-12", repositioning the '-' characters as necessary, presuming there are exactly 32 hexadecimal digits. normalize(value: string): GuidString Parameter Type Description value string Input value that represents a Guid Returns - GuidString Normalized representation of the Guid string. If the normalization fails, return the original value unmodified (Note: it is not a valid Guid) Defined in core/bentley/src/Id.ts Line 721 Last Updated: 12 June, 2024