Added match text function.

WRote test scripts.

WetPancake/DataProcessing.fs

@@ -1,3 +1,7 @@
 module internal DataProcessing
 
+    open System.Text.RegularExpressions
+
+    let MatchText pattern text = Regex.IsMatch(text, pattern)
+
     let JoinWords words = String.concat " " words

WetPancake/Script.fsx

@@ -44,6 +44,10 @@ let dc_replace5 =
 let dc_split = SplitText @"\s+" "This is a test string."
 
 // Data Processing
+let dp_isStart = MatchText @"^[A-Z]" "This is a test"
+let dp_isEnd = MatchText @"\." "and the end is nigh."
+let dp_failStart = MatchText @"^[A-Z]" "somewhere in the middle"
+let dp_failEnd = MatchText @"\." "this is not the end"
 let dp_words =
     let words = ["This"; "is"; "a"; "test"; "."]
     JoinWords words