fork download 
  1. using System;
  2. using System.Linq;
  3. using System.Text.RegularExpressions;
  4.  
  5. public class Test
  6. {
  7.         public static void Main()
  8.         {
  9.                 var inputString = "car[brand=saab][wheels=4]";
  10.                 var lst=Regex.Matches(inputString, @"(\w+)((?:\[.*?\])+)").Cast<Match>()
  11.                      .Select(x=>new
  12.                      {
  13.                          name=x.Groups[1].Value,
  14.                          value=Regex.Matches(x.Groups[2].Value,"(?<=)\\[).*?(?=)\\])").Cast<Match>()
  15.                                     .Select(y=>new
  16.                                     {
  17.                                          name=y.Groups[0].Value.Split('=')[0],
  18.                                          value=y.Groups[0].Value.Split('=')[1]
  19.                                     })
  20.                      });
  21.  
  22.             foreach(var parent in lst)
  23.             {
  24.                 Console.WriteLine(parent.name);
  25.                 foreach(var pairs in parent.value)
  26.                 {
  27.                         Console.WriteLine(pairs.name);
  28.                         Console.WriteLine(pairs.value);
  29.                 }
  30.             }               
  31.         }
  32. }
Runtime error #stdin #stdout #stderr 0.07s 38760KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Unhandled Exception: System.ArgumentException: parsing "(?<=)\[).*?(?=)\])" - Too many )'s.
Parameter name: (?<=)\[).*?(?=)\])
  at System.Text.RegularExpressions.Syntax.Parser.ParseGroup (System.Text.RegularExpressions.Syntax.Group group, RegexOptions options, System.Text.RegularExpressions.Syntax.Assertion assertion) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Syntax.Parser.ParseRegularExpression (System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.CreateMachineFactory (System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.InitNewRegex () [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Init () [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex..ctor (System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Matches (System.String input, System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Matches (System.String input, System.String pattern) [0x00000] in <filename unknown>:0 
  at Test.<Main>m__0 (System.Text.RegularExpressions.Match x) [0x00000] in <filename unknown>:0 
  at System.Linq.Enumerable+<CreateSelectIterator>c__Iterator10`2[System.Text.RegularExpressions.Match,<>__AnonType0`2[System.String,System.Collections.Generic.IEnumerable`1[<>__AnonType0`2[System.String,System.String]]]].MoveNext () [0x00000] in <filename unknown>:0 
  at Test.Main () [0x00000] in <filename unknown>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.ArgumentException: parsing "(?<=)\[).*?(?=)\])" - Too many )'s.
Parameter name: (?<=)\[).*?(?=)\])
  at System.Text.RegularExpressions.Syntax.Parser.ParseGroup (System.Text.RegularExpressions.Syntax.Group group, RegexOptions options, System.Text.RegularExpressions.Syntax.Assertion assertion) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Syntax.Parser.ParseRegularExpression (System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.CreateMachineFactory (System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.InitNewRegex () [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Init () [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex..ctor (System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Matches (System.String input, System.String pattern, RegexOptions options) [0x00000] in <filename unknown>:0 
  at System.Text.RegularExpressions.Regex.Matches (System.String input, System.String pattern) [0x00000] in <filename unknown>:0 
  at Test.<Main>m__0 (System.Text.RegularExpressions.Match x) [0x00000] in <filename unknown>:0 
  at System.Linq.Enumerable+<CreateSelectIterator>c__Iterator10`2[System.Text.RegularExpressions.Match,<>__AnonType0`2[System.String,System.Collections.Generic.IEnumerable`1[<>__AnonType0`2[System.String,System.String]]]].MoveNext () [0x00000] in <filename unknown>:0 
  at Test.Main () [0x00000] in <filename unknown>:0
https://ideone.com/ZFcxst
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!