std::string input = "error 404: Not Found. ERROR 500: Internal Server Error."; std::regex re(R"(error \d{3})", std::regex_constants::icase); // 忽略大小写 for (std::sregex_iterator it(input.begin(), input.end(), re), end_it; it != end_it; ++it) { std::cout << ...
using System; using System.Text.RegularExpressions; public class Example { public static void Main() { // Get drives available on local computer and form into a single character expression. string[] drives = Environment.GetLogicalDrives(); string driveNames = String.Empty; foreach (string drive ...
Zero or more of a a* One or more of a a+ Exactly 3 of a a{3} 3 or more of a a{3,} Between 3 and 6 of a a{3,6} Start of string ^ End of string $ A word boundary \b Non-word boundary \B Regular Expression No Match ...
stringpattern = @"\W+"; // 匹配一个或多个非单词字符 string[] parts = Regex.Split(input, pattern); foreach(stringpartinparts) { Console.WriteLine("分割结果: " + part); } 常用正则表达式模式示例 匹配邮箱地址: string input = "test@example.com"; string pattern = @"^[a-zA-Z0-9._%+...
string[] substrings = regex.Split("plum-pear"); foreach (string match in substrings) { Console.WriteLine("'{0}'", match); } } } // The example displays the following output: // 'plum' // '-' // 'pear' 不過,當正則運算式模式包含多個擷取括弧時,此方法的行為取決於.NET Framewo...
using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string input = "characters"; Regex regex = new Regex(""); string[] substrings = regex.Split(input, input.Length, input.IndexOf("a")); Console.Write("{"); for(int ctr = 0; ctr ...
using System; using System.Text.RegularExpressions; public class Example { public static void Main() { // Get drives available on local computer and form into a single character expression. string[] drives = Environment.GetLogicalDrives(); string driveNames = String.Empty; foreach (string drive ...
Split up a String By Regex Pattern Matches
sregex_token_iteratorType definition forstringregex_token_iterator. ssub_matchType definition forstringsub_match. wcmatchType definition forwchar_tmatch_results. wcregex_iteratorType definition forwchar_tregex_iterator. wcregex_token_iteratorType definition forwchar_tregex_token_iterator. ...
(world|universe)")// Use `Regex.init(string:)` to construct a regex from dynamic data, and // gracefully handle invalid inputvarvalidations:[String:Regex]for(name,pattern)inconfig.loadValidations(){do{validations[name]=tryRegex(string:pattern)}catch{print("error building validation\(name):\(...