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macro_rules! replace(
($name:ident, $which:ident, $re:expr,
$search:expr, $replace:expr, $result:expr) => (
#[test]
fn $name() {
let re = regex::Regex::new($re).unwrap();
assert_eq!(re.$which($search, $replace), $result);
}
);
);
replace!(first, replace, r"[0-9]", "age: 26", "Z", "age: Z6");
replace!(plus, replace, r"[0-9]+", "age: 26", "Z", "age: Z");
replace!(all, replace_all, r"[0-9]", "age: 26", "Z", "age: ZZ");
replace!(groups, replace, r"([^ ]+)[ ]+([^ ]+)", "w1 w2", "$2 $1", "w2 w1");
replace!(
double_dollar,
replace,
r"([^ ]+)[ ]+([^ ]+)",
"w1 w2",
"$2 $$1",
"w2 $1"
);
// replace!(adjacent_index, replace,
// r"([^aeiouy])ies$", "skies", "$1y", "sky");
replace!(
named,
replace_all,
r"(?P<first>[^ ]+)[ ]+(?P<last>[^ ]+)(?P<space>[ ]*)",
"w1 w2 w3 w4",
"$last $first$space",
"w2 w1 w4 w3"
);
replace!(
trim,
replace_all,
"^[ \t]+|[ \t]+$",
" \t trim me\t \t",
"",
"trim me"
);
replace!(number_hyphen, replace, r"(.)(.)", "ab", "$1-$2", "a-b");
// replace!(number_underscore, replace, r"(.)(.)", "ab", "$1_$2", "a_b");
replace!(
simple_expand,
replace_all,
r"([a-z]) ([a-z])",
"a b",
"$2 $1",
"b a"
);
replace!(
literal_dollar1,
replace_all,
r"([a-z]+) ([a-z]+)",
"a b",
"$$1",
"$1"
);
replace!(
literal_dollar2,
replace_all,
r"([a-z]+) ([a-z]+)",
"a b",
"$2 $$c $1",
"b $c a"
);
replace!(
no_expand1,
replace,
r"([^ ]+)[ ]+([^ ]+)",
"w1 w2",
regex::NoExpand("$2 $1"),
"$2 $1"
);
replace!(
no_expand2,
replace,
r"([^ ]+)[ ]+([^ ]+)",
"w1 w2",
regex::NoExpand("$$1"),
"$$1"
);
replace!(
closure_returning_reference,
replace,
r"([0-9]+)",
"age: 26",
|captures: ®ex::Captures<'_>| { captures[1][0..1].to_owned() },
"age: 2"
);
replace!(
closure_returning_value,
replace,
r"[0-9]+",
"age: 26",
|_captures: ®ex::Captures<'_>| "Z".to_owned(),
"age: Z"
);
replace!(
match_at_start_replace_with_empty,
replace_all,
r"foo",
"foobar",
"",
"bar"
);
replace!(single_empty_match, replace, r"^", "bar", "foo", "foobar");
replace!(
capture_longest_possible_name,
replace_all,
r"(.)",
"b",
"${1}a $1a",
"ba "
);
replace!(
impl_string,
replace,
r"[0-9]",
"age: 26",
"Z".to_string(),
"age: Z6"
);
replace!(
impl_string_ref,
replace,
r"[0-9]",
"age: 26",
&"Z".to_string(),
"age: Z6"
);
replace!(
impl_cow_str_borrowed,
replace,
r"[0-9]",
"age: 26",
std::borrow::Cow::<'_, str>::Borrowed("Z"),
"age: Z6"
);
replace!(
impl_cow_str_borrowed_ref,
replace,
r"[0-9]",
"age: 26",
&std::borrow::Cow::<'_, str>::Borrowed("Z"),
"age: Z6"
);
replace!(
impl_cow_str_owned,
replace,
r"[0-9]",
"age: 26",
std::borrow::Cow::<'_, str>::Owned("Z".to_string()),
"age: Z6"
);
replace!(
impl_cow_str_owned_ref,
replace,
r"[0-9]",
"age: 26",
&std::borrow::Cow::<'_, str>::Owned("Z".to_string()),
"age: Z6"
);
#[test]
fn replacen_no_captures() {
let re = regex::Regex::new(r"[0-9]").unwrap();
assert_eq!(re.replacen("age: 1234", 2, "Z"), "age: ZZ34");
}
#[test]
fn replacen_with_captures() {
let re = regex::Regex::new(r"([0-9])").unwrap();
assert_eq!(re.replacen("age: 1234", 2, "${1}Z"), "age: 1Z2Z34");
}