WikiFunctions.Tools.StripNamespaceColon C# (CSharp) Method

        public static string StripNamespaceColon(string ns)
        {
            return ns.TrimEnd(':');
        }

        // Covered by RegexTests.GenerateNamespaceRegex()
        /// <summary>
        /// Generates a regex template for all variants of one or more namespace,
        /// e.g. "File|Image"
        /// </summary>
        /// <param name="namespaces">One or more namespaces to process</param>
        public static string GenerateNamespaceRegex(params int[] namespaces)
        {
            StringBuilder sb = new StringBuilder(100 * namespaces.Length);
            foreach (int ns in namespaces)
            {
                if (ns == Namespace.Article) continue;

                if (sb.Length > 0) sb.Append('|');

                string nsName = Variables.Namespaces[ns];
                sb.Append(Tools.StripNamespaceColon(nsName));
                if (Variables.CanonicalNamespaces.ContainsKey(ns) 
                    && Variables.CanonicalNamespaces[ns] != nsName)
                {
                    sb.Append('|');
                    sb.Append(Tools.StripNamespaceColon(Variables.CanonicalNamespaces[ns]));
                }

                if (Variables.NamespaceAliases.ContainsKey(ns))
                    foreach (string s in Variables.NamespaceAliases[ns])
                    {
                        sb.Append('|');
                        sb.Append(Tools.StripNamespaceColon(s));
                    }
            }

            sb.Replace(" ", "[ _]");
            return sb.ToString();
        }