strip_invalid_chars: Removes invalid characters from a string.
In assertive.strings: Assertions to Check Properties of Strings

Description Usage Arguments Value Examples

View source: R/internal-string.R

Removes invalid characters from a string, leaving only digits.

strip_invalid_chars(x, invalid_chars, char_desc = gettext("invalid"))

strip_non_alphanumeric(x)

strip_non_numeric(x, allow_x = FALSE, allow_plus = FALSE)

`x`	Input to strip.
`invalid_chars`	A regular expression detailing characters to remove.
`char_desc`	A string describing the characters to remove.
`allow_x`	If `TRUE`, the letter "X" is allowed - useful for check digits.
`allow_plus`	If `TRUE`, the symbol "+" is allowed - useful for phone numbers.

A character vector of the same length as x, consisting of strings without the characters detailed in the invalid_chars.

## Not run: 
strip_invalid_chars(
  "  We're floating\tin    space\n\n\n", "[[:space:]]", "whitespace"
)
strip_non_numeric(" +44 800-123-456 ", allow_plus = TRUE)
#Inputs such as factors as coerced to character.
strip_non_alphanumeric(factor(c(" A1\t1AA.", "*(B2^2BB)%")))

## End(Not run)