IsoClasses {rebus.datetimes}

ISO 8601 date-time classes

Description

Match ISO 8601 date and time classes.

Usage

iso_date(lo, hi, char_class = TRUE)

iso_time(lo, hi, char_class = TRUE)

iso_datetime(lo, hi, char_class = TRUE)

Arguments

lo

A non-negative integer. Minimum number of repeats, when grouped.

hi

positive integer. Maximum number of repeats, when grouped.

char_class

TRUE or FALSE. Should the values be wrapped into a character class?

Value

A character vector representing part or all of a regular expression.

References

http://www.iso.org/iso/iso8601

Examples

iso_date()
iso_time()
iso_datetime()

# With repetition
iso_date(3, 6)
iso_time(1, Inf)
iso_datetime(0, Inf)

# Without a class wrapper
iso_date(char_class = FALSE)