Module grammar 

ISO8601 specific grammar checks.

Functions

is_a_key_char 🔒

Checks if ascii char is an AKeyChar.

is_a_key_leading_char 🔒

Checks if ascii char is a AKeyLeadingChar.

is_annotation_close 🔒

Checks if ascii char is an AnnotationClose.

is_annotation_key_value_separator 🔒

Checks if ascii char is the AnnotationKeyValueSeparator.

is_annotation_open 🔒

Checks if ascii char is an AnnotationOpen.

is_annotation_value_component 🔒

Checks if ascii char is an AnnotationValueComponent.

is_ascii_sign 🔒

Checks if ascii char is an ascii sign.

is_critical_flag 🔒

Checks if ascii char is an CriticalFlag.

is_date_time_separator 🔒

Checks if ascii char is a DateTimeSeparator.

is_decimal_separator 🔒

Checks if ascii char is a DecimalSeparator.

is_hyphen 🔒

Checks if ascii char is a hyphen. Hyphens are used as a Date separator and as a AttributeValueComponent separator.

is_space 🔒

Checks if ascii char is a space.

is_time_designator 🔒

Checks if ascii char is a TimeDesignator.

is_time_separator 🔒

Checks if ascii char is a TimeSeparator.

is_tz_char 🔒

Checks if ascii char is a TZChar.

is_tz_leading_char 🔒

Checks if ascii char is a TZLeadingChar.

is_tz_name_separator 🔒

Checks if ascii char is a TimeZoneIANAName Separator.

is_utc_designator 🔒

Checks if ascii char is a UtcDesignator.