Fix message board divider regular expression. New shared RegularExpressions.

2 files changed, 25 insertions, 2 deletions

diff --git a/Hotline/Hotline/HotlineClient.swift b/Hotline/Hotline/HotlineClient.swift
index f0e5eea..15ba73f 100644
--- a/Hotline/Hotline/HotlineClient.swift
+++ b/Hotline/Hotline/HotlineClient.swift
@@ -1,5 +1,6 @@
 import Foundation
 import Network
+import RegexBuilder
 
 enum HotlineClientStatus: Int {
   case disconnected
@@ -491,8 +492,7 @@ class HotlineClient: NetSocketDelegate {
       }
       
       var messages: [String] = []
-      let messageBoardRegex = /([\s\r\n]*[_\-]+[\s\r\n]+)/
-      let matches = text.matches(of: messageBoardRegex)
+      let matches = text.matches(of: RegularExpressions.messageBoardDivider)
       var start = text.startIndex
       
       if matches.count > 0 {
diff --git a/Hotline/Utility/RegularExpressions.swift b/Hotline/Utility/RegularExpressions.swift
new file mode 100644
index 0000000..0314dd7
--- /dev/null
+++ b/Hotline/Utility/RegularExpressions.swift
@@ -0,0 +1,23 @@
+import RegexBuilder
+
+struct RegularExpressions {
+  static let messageBoardDivider = Regex {
+    Capture {
+      OneOrMore {
+        CharacterClass(.newlineSequence)
+      }
+      ZeroOrMore {
+        CharacterClass(.whitespace, .newlineSequence)
+      }
+      Repeat(2...) {
+        CharacterClass(.anyOf("_-"))
+      }
+      ZeroOrMore {
+        CharacterClass(.whitespace)
+      }
+      OneOrMore {
+        CharacterClass(.newlineSequence)
+      }
+    }
+  }
+}