Add tappable description links and timestamps in iOS

Extensions/String+Format.swift

@@ -7,4 +7,29 @@ extension String {
         }
         return replacingCharacters(in: range, with: replacement)
     }
+
+    func replacingMatches(regex: String, replacementStringClosure: (String) -> String?) -> String {
+        guard let regex = try? NSRegularExpression(pattern: regex) else {
+            return self
+        }
+
+        let results = regex.matches(in: self, range: NSRange(startIndex..., in: self))
+
+        var outputText = self
+
+        results.reversed().forEach { match in
+            (1 ..< match.numberOfRanges).reversed().forEach { rangeIndex in
+                let matchingGroup: String = (self as NSString).substring(with: match.range(at: rangeIndex))
+                let rangeBounds = match.range(at: rangeIndex)
+
+                guard let range = Range(rangeBounds, in: self) else {
+                    return
+                }
+                let replacement = replacementStringClosure(matchingGroup) ?? matchingGroup
+
+                outputText = outputText.replacingOccurrences(of: matchingGroup, with: replacement, range: range)
+            }
+        }
+        return outputText
+    }
 }