Creating and updating seasons with an editor.

EstusShots.Shared/Extensions/StringExtensions.cs

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+using System.Text.RegularExpressions;
+
+namespace EstusShots.Shared.Extensions
+{
+    public static class StringExtensions
+    {
+        /// <summary>
+        /// Forces a string into the "yyyy-mm-dd" format
+        /// </summary>
+        /// <param name="this"></param>
+        /// <returns></returns>
+        public static string DateMask(this string @this)
+        {
+            // Remove all non-numbers
+            @this = Regex.Replace(@this, "[^0-9.]", "");
+            if (@this.Length < 8) @this += "????????";
+            return string.Format("{0}-{1}-{2}",
+                @this.Substring(0, 4), // The year,
+                @this.Substring(4, 2), // The month,
+                @this.Substring(6, 2)); // The day);
+        }
+        
+        /// <summary>
+        /// Forces a string into the "HH:MM" format
+        /// </summary>
+        /// <param name="this"></param>
+        /// <returns></returns>
+        public static string HourMinuteMask(this string @this)
+        {
+            // Remove all non-numbers
+            @this = Regex.Replace(@this, "[^0-9.]", "");
+            if (@this.Length < 4) @this += "0000";
+            return string.Format("{0}:{1}",
+                @this.Substring(0, 2),  // The hours,
+                @this.Substring(2, 4)); // The minutes
+        }
+    }
+}