d: Create regex for repeated digits

In assertive.strings: Assertions to Check Properties of Strings

Description

Creates a regex string for repeated digits.

Usage

d(lo, hi = NA_integer_, optional = FALSE)

Arguments

lo	Minimum number of digits to match.
hi	Optional maximum number of digits to match.
optional	If TRUE, the digits are optional.

Value

A character vector of regexes.

Note

If hi is omitted, the returned regex will only match the exact number of digits given by lo.

Examples

## Not run: 
d(1:5)
d(1:5, 6:8)
d(0:2, Inf)

## End(Not run)

assertive.strings documentation built on May 29, 2017, 11:35 a.m.

Create a regex from components.

assertive.strings index

Does the input contain empty or missing strings?