Regular expression

Regular expression

• Joe Clifford

  Hi,

  Yes the regex

  \(\((\w* \W* )* \)\)

  is working in regex tester

  http://regexlib.com/RETester.aspx

  once i apply this in my code it is showing "index was out side the bounds of the array error"

  any suggestions

  My code

  string strInput = TxtInputString.Text; //<- input

  string strRegEx = TxtRegex.Text; //<- RegeX

  Regex DateLineRE = new Regex(strRegEx,RegexOptions.Multiline);

  MatchCollection matches = DateLineRE.Matches(strInput);

  foreach(Match match in matches)

  {

  MessageBox.Show(match.Value);

  }

  Thanks in advance

  Radhakrishnan.k

  
  

• Jonathan van de Veen

  Hi, thanks again,

  The regex (\((\w* \W* )* \)\)) is working

  string strInput = TxtInputString.Text; //input Text

  //TxtRegex.text - input regular expression

  Regex DateLineRE = new Regex(TxtRegex.Text,RegexOptions.IgnoreCase | RegexOptions.Multiline);

  MatchCollection matches = DateLineRE.Matches(strInput);

  foreach(Match match in matches)

  {

  MessageBox.Show(match.Value);

  }

  }

  once i apply the (\((\w* \W* )* \)\) here, showing error

  An unhandled exception of type 'System.IndexOutOfRangeException' occurred in system.dll

  Additional information: Index was outside the bounds of the array.

  Can you modify the above code to get the proper output

  I hope you'll solve

  Thanks

  Radhakrishnan.K

  
  

• J. Leite

  hey man,

  \(\((\w* \W* )* \)\)

  That seemed to do the trick.

  
  
  

• Robert Taylor

  It should be
  
  (\\((\\w* \\W* )* \\)\\))
  
  because "\" backslash is an escape sequence so you have to put extra "\"

  Whenever you want to use one of these special characters you need to use a technique known as escaping the character. Escaping the character means typing a backslash (\) in front of the character
  from http://www.peachpit.com/articles/article.asp p=31938&seqNum=9

  
  
• Regular expression