141 lines
4.8 KiB
C#
141 lines
4.8 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace System;
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public static class StringExtension
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{
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private static readonly Regex _reStrict = new Regex(@"^(([^<>()[\]\\.,;:\s@\""]+"
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+ @"(\.[^<>()[\]\\.,;:\s@\""]+)*)|(\"".+\""))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
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+ @"\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$");
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public static string HtmlEncode(this string str)
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{
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return !string.IsNullOrEmpty(str) ? HttpUtility.HtmlEncode(str) : str;
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}
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/// <summary>
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/// Replace ' on ′
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string ReplaceSingleQuote(this string str)
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{
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return str?.Replace('\'', '′');
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}
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public static bool TestEmailRegex(this string emailAddress)
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{
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emailAddress = (emailAddress ?? "").Trim();
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return !string.IsNullOrEmpty(emailAddress) && _reStrict.IsMatch(emailAddress);
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}
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public static string GetMD5Hash(this string str)
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{
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var bytes = Encoding.Unicode.GetBytes(str);
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using var CSP = MD5.Create();
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var byteHash = CSP.ComputeHash(bytes);
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return byteHash.Aggregate(string.Empty, (current, b) => current + string.Format("{0:x2}", b));
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}
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public static int EnumerableComparer(this string x, string y)
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{
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var xIndex = 0;
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var yIndex = 0;
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while (xIndex < x.Length)
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{
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if (yIndex >= y.Length)
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{
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return 1;
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}
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if (char.IsDigit(x[xIndex]) && char.IsDigit(y[yIndex]))
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{
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var xBuilder = new StringBuilder();
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while (xIndex < x.Length && char.IsDigit(x[xIndex]))
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{
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xBuilder.Append(x[xIndex++]);
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}
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var yBuilder = new StringBuilder();
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while (yIndex < y.Length && char.IsDigit(y[yIndex]))
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{
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yBuilder.Append(y[yIndex++]);
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}
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long xValue;
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try
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{
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xValue = Convert.ToInt64(xBuilder.ToString());
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}
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catch (OverflowException)
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{
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xValue = long.MaxValue;
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}
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long yValue;
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try
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{
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yValue = Convert.ToInt64(yBuilder.ToString());
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}
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catch (OverflowException)
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{
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yValue = long.MaxValue;
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}
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int difference;
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if ((difference = xValue.CompareTo(yValue)) != 0)
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{
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return difference;
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}
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}
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else
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{
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int difference;
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if ((difference = string.Compare(x[xIndex].ToString(CultureInfo.InvariantCulture), y[yIndex].ToString(CultureInfo.InvariantCulture), StringComparison.InvariantCultureIgnoreCase)) != 0)
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{
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return difference;
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}
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xIndex++;
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yIndex++;
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}
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}
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if (yIndex < y.Length)
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{
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return -1;
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}
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return 0;
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}
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}
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