strip_invalid_chars

From assertive.strings v0.0-3 by Richard Cotton

Removes invalid characters from a string.

Removes invalid characters from a string, leaving only digits.

Usage

strip_invalid_chars(x, invalid_chars, char_desc = gettext("invalid"))
strip_non_alphanumeric(x)
strip_non_numeric(x, allow_x = FALSE, allow_plus = FALSE)

Arguments

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.

Value

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

Examples

library(assertive.strings)

## 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)

Documentation reproduced from package assertive.strings, version 0.0-3, License: GPL (>= 3)

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