26 lines
780 B
C#
26 lines
780 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace Szmedi.RevitToolkit.Approval.Extensions
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{
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internal static class Extension
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{
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/// <summary>
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/// 提取字符串中所有中文字符
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/// </summary>
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public static string ExtractChinese(this string text)
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{
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if (string.IsNullOrEmpty(text)) return string.Empty;
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// 先将非中文替换为空格，再将连续空格替换为单个空格，最后去除首尾空格
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var result = Regex.Replace(text, @"[^\u4e00-\u9fa5]", " ");
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result = Regex.Replace(result, @"\s+", " ").Trim();
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return result;
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}
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}
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}
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