本文整理汇总了C#中Regex类的典型用法代码示例。如果您正苦于以下问题：C# Regex类的具体用法？C# Regex怎么用？C# Regex使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
Regex类属于命名空间，在下文中一共展示了Regex类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: TcmUri
public TcmUri(string Uri)
{
Regex re = new Regex(@"tcm:(\d+)-(\d+)-?(\d*)-?v?(\d*)");
Match m = re.Match(Uri);
if (m.Success)
{
PublicationId = Convert.ToInt32(m.Groups[1].Value);
ItemId = Convert.ToInt32(m.Groups[2].Value);
if (m.Groups.Count > 3 && !string.IsNullOrEmpty(m.Groups[3].Value))
{
ItemTypeId = Convert.ToInt32(m.Groups[3].Value);
}
else
{
ItemTypeId = 16;
}
if (m.Groups.Count > 4 && !string.IsNullOrEmpty(m.Groups[4].Value))
{
Version = Convert.ToInt32(m.Groups[4].Value);
}
else
{
Version = 0;
}
}
}示例2: Main
static void Main(string[] args)
{
using (StreamReader reader = File.OpenText(args[0]))
while (!reader.EndOfStream)
{
string[] line = reader.ReadLine().Split(',');
Regex regex = new Regex(@"[0-9]+");
List<string> words = new List<string>();
List<string> numbers = new List<string>();
for (int i = 0; i < line.Length; i++)
{
if (regex.IsMatch(line[i]))
numbers.Add(line[i]);
else
words.Add(line[i]);
}
string left = string.Join(",", words.ToArray<string>());
string right = string.Join(",", numbers.ToArray<string>());
if (string.IsNullOrEmpty(left))
Console.WriteLine(right);
else if (string.IsNullOrEmpty(right))
Console.WriteLine(left);
else
Console.WriteLine(left + "|" + right);
}
}示例3: Main
static void Main()
{
string input = Console.ReadLine();
var validUsernames = new List<string>();
string pattern = @"[\w\d]{2,24}";
Regex rgx = new Regex(pattern);
MatchCollection matches = rgx.Matches(input);
foreach (var match in matches)
{
if (char.IsLetter(match.ToString().First()))
{
validUsernames.Add(match.ToString());
}
}
int sum = 0;
int index = 0;
for (int i = 0; i < validUsernames.Count-1; i++)
{
int currentSum = validUsernames[i].Length + validUsernames[i + 1].Length;
if (currentSum > sum)
{
sum = currentSum;
index = i;
}
}
Console.WriteLine(validUsernames[index]);
Console.WriteLine(validUsernames[index+1]);
}示例4: RegexMatch
/// <summary>
///
/// </summary>
/// <param name="String"></param>
/// <param name="RegexString"></param>
/// <returns></returns>
public static GroupCollection RegexMatch(this String String, string RegexString)
{
var Regex = new Regex(RegexString, RegexOptions.None);
var Match = Regex.Match(String);
if (Match == Match.Empty) return null;
return Match.Groups;
}示例5: CountWords
//Write a program that reads a list of words from a file words.txt and finds how many times
//each of the words is contained in another file test.txt. The result should be written in
//the file result.txt and the words should be sorted by the number of their occurrences in
//descending order. Handle all possible exceptions in your methods.
private static Dictionary<string, int> CountWords(string inputPath, string listOfWordsPath)
{
List<string> list = ExtractList(listOfWordsPath);
StreamReader reader = new StreamReader(inputPath);
Dictionary<string, int> result = new Dictionary<string, int>();
using (reader)
{
while (reader.Peek() != -1)
{
string currline = reader.ReadLine();
for (int i = 0; i < list.Count; i++)
{
Regex word = new Regex("\\b" + list[i] + "\\b");
foreach (Match match in word.Matches(currline))
{
//for each word met, if already met - increase counter, else - start counting it
if (result.ContainsKey(list[i]))
{
result[list[i]]++;
}
else
{
result.Add(list[i], 1);
}
}
}
}
}
return result;
}示例6: Main
static void Main(string[] args)
{
string text = Console.ReadLine();
string pattern = (@"(.)\1+");
Regex regex = new Regex(pattern);
Console.WriteLine(regex.Replace(text, "$1"));
}示例7: Main
static void Main()
{
StringBuilder line = new StringBuilder();
string pattern = @"(?<![a-zA-Z])[A-Z]+(?![a-zA-Z])";
Regex regex = new Regex(pattern);
while (line.ToString() != "END")
{
MatchCollection matches = regex.Matches(line.ToString());
int offset = 0;
foreach (Match match in matches)
{
string word = match.Value;
string reversed = Reverse(word);
if (reversed == word)
{
reversed = DoubleEachLetter(reversed);
}
int index = match.Index;
line = line.Remove(index + offset, word.Length);
line = line.Insert(index + offset, reversed);
offset += reversed.Length - word.Length;
}
Console.WriteLine(SecurityElement.Escape(line.ToString()));
line = new StringBuilder(Console.ReadLine());
}
}示例8: Item_Get_InvalidIndex_ThrowsArgumentOutOfRangeException
public static void Item_Get_InvalidIndex_ThrowsArgumentOutOfRangeException()
{
Regex regex = new Regex("e");
MatchCollection matches = regex.Matches("dotnet");
Assert.Throws<ArgumentOutOfRangeException>("i", () => matches[-1]);
Assert.Throws<ArgumentOutOfRangeException>("i", () => matches[matches.Count]);
}示例9: IsIPAddress
public static bool IsIPAddress(string str1)
{
if (str1 == null || str1 == string.Empty || str1.Length < 7 || str1.Length > 15) return false;
string regformat = @"^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$";
Regex regex = new Regex(regformat, RegexOptions.IgnoreCase);
return regex.IsMatch(str1);
}示例10: ReplaceLinkTags
static void ReplaceLinkTags(ref string html)
{
string pattern = @"<a\s+href=\""(.+)\"">(.+)<\/a>";
var regex = new Regex(pattern);
html = regex.Replace(html, "[URL href=$1]$2[/URL]");
}示例11: Main
static void Main()
{
string input = Console.ReadLine();
string pattern = @"<a\s+href=([^>]+)>([^<]+)</a>";
Regex regex = new Regex(pattern);
string replacement = "[URL href=$1]$2[/URL]";
string result = Regex.Replace(input, pattern, replacement);
Console.WriteLine(result);
//Console.WriteLine("Enter HTML document");
//string textHTML = Console.ReadLine();
//string output = string.Empty;
//int counter = 0;
//while (textHTML.IndexOf("<a href=\"", counter) > 0)
//{
// output = textHTML.Replace("<a href=\"", "[URL=");
// counter++;
//}
//counter = 0;
//while (output.IndexOf("\">", counter) > 0)
//{
// output = output.Replace("\">", "]");
// counter++;
//}
//counter = 0;
//while (output.IndexOf("</a>", counter) > 0)
//{
// output = output.Replace("</a>", "[/URL]");
// counter++;
//}
//Console.WriteLine(output);
}示例12: IsSentence
private static MatchCollection IsSentence(string text)
{
string pattern = @"([^.!?]+(?=[.!?])[.!?])";
Regex rgx = new Regex(pattern);
MatchCollection matches = rgx.Matches(text);
return matches;
}示例13: Main
public static void Main()
{
while (true)
{
string[] input = Console.ReadLine().Split(' ');
if (input[0] == "END")
{
break;
}
for (int i = 0; i < input.Length; i++)
{
string pattern = @"\b(?:\d*|\W*)([A-Z]{1,})(?:\d*|\W*)\b";
Regex regex = new Regex(pattern);
MatchCollection matches = regex.Matches(input[i]);
foreach (Match match in matches)
{
string oldString = match.Groups[1].ToString();
string reverse = new string(oldString.Reverse().ToArray());
if (match.Groups[1].Length == 1 || oldString.Equals(reverse))
{
string newString = ReplaceWithDoubleLetters(oldString);
input[i] = input[i].Replace(oldString, newString);
}
else
{
input[i] = input[i].Replace(oldString, reverse);
}
}
}
Console.WriteLine(SecurityElement.Escape(string.Join(" ", input)));
}
}示例14: RegexGroup
public static SqlChars RegexGroup( SqlChars input, SqlString pattern, SqlString name )
{
Regex regex = new Regex( pattern.Value, Options );
Match match = regex.Match( new string( input.Value ) );
return match.Success ?
new SqlChars( match.Groups[name.Value].Value ) : SqlChars.Null;
}示例15: Main
static void Main()
{
const string Keys = @"(?<startKey>^[A-Za-z_]*)(?=\d).*(?<=\d)(?<endKey>[A-Za-z_]*)";
var keysMatcher = new Regex(Keys);
string keysString = Console.ReadLine();
string startKey = keysMatcher.Match(keysString).Groups["startKey"].Value;
string endKey = keysMatcher.Match(keysString).Groups["endKey"].Value;
if (string.IsNullOrEmpty(startKey) || string.IsNullOrEmpty(endKey))
{
Console.WriteLine("<p>A key is missing</p>");
return;
}
string Pattern = string.Format("(?:{0}){1}(?:{2})", startKey, @"(\d*\.?\d+)", endKey);
var numbersMatcher = new Regex(Pattern);
string textString = Console.ReadLine();
var matches = numbersMatcher.Matches(textString);
var numbers = (from Match number in matches select double.Parse(number.Groups[1].Value)).ToList();
if (numbers.Count == 0)
{
Console.WriteLine("<p>The total value is: <em>nothing</em></p>");
}
else
{
double sum = numbers.Sum();
Console.WriteLine("<p>The total value is: <em>{0}</em></p>",sum);
}
}