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23blog/Common/Replace.cs[5K，2009-6-12 11:30:49]，
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1
using System;
2using System.Collections.Generic;
3using System.Text;
4using System.Text.RegularExpressions;
5
6namespace Common
7
...{
8
public class Replace
9
...{
10 //截取指定数目的字符串
11 public static string OverflowReplace(string str, int num)
12 ...{
13 if (str.Length > num)
14 ...{
15 str = str.Substring(0, num);
16 return str + " . . .";
17
}
18 else
19 ...{
20 return str;
21 }
22 }
23
24 //常规字符替换
25 public static string txtReplace(string strInput)
26 ...{
27 strInput = Regex.Replace(strInput, "&", "&");
28 strInput = Regex.Replace(strInput, "<", "<");
29 strInput = Regex.Replace(strInput, ">", ">");
30 strInput = Regex.Replace(strInput, "\'", "'");
31 strInput = Regex.Replace(strInput, "\"", """);
32 strInput = Regex.Replace(strInput, "\\n", "<br>");
33 strInput = Regex.Replace(strInput, "\\040", " ");
34 strInput = Regex.Replace(strInput, "\\t", " ");
35 return strInput;
36 }
37
38 //ubb替换
39 public static string ubbReplace(string strInput)
40 ...{
41 strInput = Regex.Replace(strInput, "&", "&");
42 strInput = Regex.Replace(strInput, "<", "<");
43 strInput = Regex.Replace(strInput, ">", ">");
44 strInput = Regex.Replace(strInput, "\'", "'");
45 strInput = Regex.Replace(strInput, "\"", """);
46 strInput = Regex.Replace(strInput, "\\n", "<br>");
47 strInput = Regex.Replace(strInput, "\\040", " ");
48 strInput = Regex.Replace(strInput, "\\t", " ");
49 strInput = Regex.Replace(strInput, "(?:\\[i\\])(?<body>[^\\[]+)(?:\\[/i\\])", "<i>${body}</i>", RegexOptions.IgnoreCase);
50 strInput = Regex.Replace(strInput, "(?:\\[b\\])(?<body>[^\\[]+)(?:\\[/b\\])", "<b>${body}</b>", RegexOptions.IgnoreCase);
51 strInput = Regex.Replace(strInput, "(?:\\[u\\])(?<body>[^\\[]+)(?:\\[/u\\])", "<u>${body}</u>", RegexOptions.IgnoreCase);
52 strInput = Regex.Replace(strInput, "(?:\\[url\\])(?<body>[^\\[]+)(?:\\[/url\\])", "<a href=\"${body}\" target=\"_blank\">${body}</a>", RegexOptions.IgnoreCase);
53 strInput = Regex.Replace(strInput, "(?:\\[email\\])(?<body>[^\\[]+)(?:\\[/email\\])", "<a href=\"mailto:${body}\">${body}</a>", RegexOptions.IgnoreCase);
54 strInput = Regex.Replace(strInput, "^(http://[A-Za-z0-9\\./=\\?%\\-&_~`@´:+!]+)", "<a href=\"$1\" target=\"_blank\">$1</a>", RegexOptions.IgnoreCase);
55 strInput = Regex.Replace(strInput, "(http://[A-Za-z0-9\\./=\\?%\\-&_~`@´:+!]+)$", "<a target=_blank href=$1>$1</a>", RegexOptions.IgnoreCase);
56 strInput = Regex.Replace(strInput, "[^>=\"](http://[A-Za-z0-9\\./=\\?%\\-&_~`@´:+!]+)", "<a target=_blank href=$1>$1</a>", RegexOptions.IgnoreCase);
57 return strInput;
58 }
59 }
60
}
61
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