#!/usr/bin/ruby
#
## https://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string
#
func stripchars_1(str, char_list) {
    str.tr(char_list, "", "d");
}
func stripchars_2(str, char_list) {
    str.chars.grep {|c| !char_list.contains(c)}.join;
}
var orig = 'She was a soul stripper. She took my heart!';
var mod = 'Sh ws  soul strppr. Sh took my hrt!';
var rem = 'aei';
assert_eq(stripchars_1(orig, rem), mod);
assert_eq(stripchars_2(orig, rem), mod);
say "** Test passed!";