fixup! feat(base): Introduce a DisplayName struct

crates/matrix-sdk-base/src/deserialized_responses.rs

@@ -82,13 +82,27 @@ static HIDDEN_CHARACTERS_REGEX: Lazy<Regex> = Lazy::new(|| {
     Regex::new(DisplayName::HIDDEN_CHARACTERS_PATTERN)
         .expect("We should be able to create a regex from our static hidden characters pattern")
 });
+
+/// Regex to match `i` characters.
+///
+/// This is used to replace an `i` with a lowercase `l`, i.e. to mark "Hello"
+/// and "HeIlo" as ambiguous. Decancer will lowercase an `I` for us.
 static I_REGEX: Lazy<Regex> = Lazy::new(|| {
-    Regex::new(DisplayName::I_PATTERN)
-        .expect("We should be able to create a regex from our uppercase I pattern")
+    Regex::new("[i]").expect("We should be able to create a regex from our uppercase I pattern")
 });
+
+/// Regex to match `0` characters.
+///
+/// This is used to replace an `0` with a lowercase `o`, i.e. to mark "HellO"
+/// and "Hell0" as ambiguous. Decancer will lowercase an `O` for us.
 static ZERO_REGEX: Lazy<Regex> = Lazy::new(|| {
     Regex::new("[0]").expect("We should be able to create a regex from our zero pattern")
 });
+
+/// Regex to match a couple of dot-like characters, also matches an actual dot.
+///
+/// This is used to replace a `.` with a `:`, i.e. to mark "@mxid.domain.tld" as
+/// ambiguous.
 static DOT_REGEX: Lazy<Regex> = Lazy::new(|| {
     Regex::new("[.\u{1d16d}]").expect("We should be able to create a regex from our dot pattern")
 });
@@ -165,12 +179,6 @@ impl DisplayName {
     const HIDDEN_CHARACTERS_PATTERN: &str =
         "[\u{2000}-\u{200D}\u{300}-\u{036f}\u{2062}-\u{2063}\u{2800}\u{061c}\u{feff}]";
 
-    /// Regex pattern to match `i` characters (upper and lower case).
-    ///
-    /// This is used to replace an uppercase I with a lowercase l, i.e. to mark
-    /// "Hello" and "HeIlo" as ambiguous.
-    const I_PATTERN: &str = "[Ii]";
-
     /// Creates a new [`DisplayName`] from the given raw string.
     ///
     /// The raw display name is transformed into a Unicode-normalized form, with