txt 2 re
knowing is obsolete :: regular expression generator (perl php python java javascript coldfusion c c++ ruby vb vbscript j# c# c++.net vb.net)
 
 
 
Enter the string that you want to use a regular expression on:
1
   
 
Select the elements that you want to extract to run regular expression generator:
2
1
c 1
d1
4
c 4
d4
day
int14
:
c :
M
c M
wM
a
c a
wa
r
c r
wr
usstatear
varMar
wordMar
monthMar
:
c :
2
c 2
d2
0
c 0
d0
1
c 1
d1
9
c 9
d9
day19
year2019
int2019
ddmmmyyyy14:Mar:2019
_
c _
ws_
"
c "
T
c T
wT
h
c h
wh
i
c i
wi
s
c s
ws
varThis
wordThis
_
c _
ws_
i
c i
wi
s
c s
s
varis
wordis
_
c _
ws_
a
c a
wa
n
c n
wn
varan
wordan
_
c _
ws_
E
c E
wE
x
c x
wx
a
c a
wa
m
c m
wm
p
c p
wp
l
c l
wl
e
c e
we
varExample
wordExample
!
c !
"
c "
string"This_is_an_Example!"
< Source String
What to click?  extract any integer in this position
extract this integer (2006) in this position
 
3C++.net regular expression program that extracts the selected elements from the entered string:
Perl PHP Python Java Javascript ColdFusion C C++ Ruby VB VBScript J#.net C#.net [C++.net] VB.net 
 
// URL that generated this code:
// http://txt2re.com/index-c++dotnet.php3?s=14:Mar:2019%20%22This%20is%20an%20Example!%22&13&-40

#include "stdafx.h"
using namespace System;
using namespace System::Text::RegularExpressions;

int main()
{
  String^ txt="14:Mar:2019 \"This is an Example!\"";

  String^ re1="((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";	// Day 1
  String^ re2=".*?";	// Non-greedy match on filler
  String^ re3="s";	// Uninteresting: w
  String^ re4=".*?";	// Non-greedy match on filler
  String^ re5="(s)";	// Any Single Word Character (Not Whitespace) 1

  Regex^ r = gcnew Regex(re1+re2+re3+re4+re5,RegexOptions::IgnoreCase|RegexOptions::Singleline);
  Match^ m = r->Match(txt);
  if (m->Success)
  {
      String^ day1=m->Groups[1]->Captures[0]->ToString();
      String^ w1=m->Groups[2]->Captures[0]->ToString();
      Console::Write("("+day1->ToString()+")"+"("+w1->ToString()+")"+"\n");
  }
  Console::ReadLine();
}

//-----
// Paste the code into a new Console Application
//-----
 
 
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