Regex Help
1. Enter the string that you want to use a regular expression on:
2. Select the elements that you want to extract to run regular expression generator:
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Regex: ([A-Za-z0-9]+)(.).*?([0-9]+(,[0-9]{3})*(\.[0-9]+)?)((?:(?:[0-2]?\d{1})|(?:[3][01]{1})))(?![\d])(.).*?(\d).*?([A-Za-z0-9]+)
Passed Regular expression test
Matches:
- user@localhost [2023-08
- 08]$ ping 127.0.0
3. Generated regular expression program that extracts the selected elements from the entered string:
<?php
// Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
// This code is generated from:
// https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
//
$txt = "user@localhost [2023-08-08]\$ ping 127.0.0.1";
$re0 = "([A-Za-z0-9]+)";
$re1 = "(.)";
$re2 = ".*?";
$re3 = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)";
$re4 = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";
$re5 = "(.)";
$re6 = ".*?";
$re7 = "(\\d)";
$re8 = ".*?";
$re9 = "([A-Za-z0-9]+)";
$pattern = "/".$re0.$re1.$re2.$re3.$re4.$re5.$re6.$re7.$re8.$re9."/i";
echo "<pre>";
echo "Result for matching {$txt} against {$pattern}:\n";
if (preg_match_all ($pattern, $txt, $matches)) {
print_r($matches);
$match_count = count($matches[1]);
for ($i = 0; $i < $match_count; $i++) {
$str = $matches[1][$i];
//$pos = $matches[1][$i];
echo "* Found ($str) \n";
}
}
echo "</pre>";
// Paste the code into a new php file. Then in your console:
// $ php x.php
?>
#!/usr/bin/perl
# Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
# URL that generated this code:
# https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
$txt = "user\@localhost [2023-08-08]\$ ping 127.0.0.1";
$re0 = "([A-Za-z0-9]+)";
$re1 = "(.)";
$re2 = ".*?";
$re3 = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)";
$re4 = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";
$re5 = "(.)";
$re6 = ".*?";
$re7 = "(\\d)";
$re8 = ".*?";
$re9 = "([A-Za-z0-9]+)";
$pattern = $re0.$re1.$re2.$re3.$re4.$re5.$re6.$re7.$re8.$re9;
if ($txt =~ m/$pattern/i)
{
$int1=$1;
print "($int1) \n";
}
#-----
# Paste the code into a new perl file. Then in Unix:
# $ perl x.pl
#-----
// Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
// This code is generated from:
// https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
//
#include <iostream>
#include <string>
#include <regex>
#include <stdlib.h>
using namespace std;
int main() {
string txt = "user@localhost [2023-08-08]$ ping 127.0.0.1";
string re0 = "([A-Za-z0-9]+)";
string re1 = "(.)";
string re2 = ".*?";
string re3 = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)";
string re4 = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";
string re5 = "(.)";
string re6 = ".*?";
string re7 = "(\\d)";
string re8 = ".*?";
string re9 = "([A-Za-z0-9]+)";
string pattern = re0 + re1 + re2 + re3 + re4 + re5 + re6 + re7 + re8 + re9;
regex reg(pattern, regex_constants::icase);
smatch match;
if (regex_search(txt, match, reg)) {
string int1 = match[1].str();
cout << "(" << int1 << ")" << endl;
}
return 0;
}
//-----
// Reference: // http://en.cppreference.com/w/cpp/regex
//
// Compile and run on Unix using
// # c++ x.cpp
// # ./a.out
//
// Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
// This code is generated from:
// https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
//
import java.util.regex.*;
class Main
{
public static void main(String[] args)
{
String txt="user@localhost [2023-08-08]$ ping 127.0.0.1";
string re0 = "([A-Za-z0-9]+)";
string re1 = "(.)";
string re2 = ".*?";
string re3 = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)";
string re4 = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";
string re5 = "(.)";
string re6 = ".*?";
string re7 = "(\\d)";
string re8 = ".*?";
string re9 = "([A-Za-z0-9]+)";
string pattern = re0 + re1 + re2 + re3 + re4 + re5 + re6 + re7 + re8 + re9;
Pattern p = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
Matcher m = p.matcher(txt);
if (m.find())
{
String int1=m.group(1);
System.out.print("("+int1.toString()+")"+"\n");
}
}
}
//-----
// This code is for use with Java VM - see https://openjdk.org for downloads.
//
// Paste the code into a new java application or a file called 'Main.java'
//
// Compile and run in Unix using:
// # javac Main.java
// # java Main
//
// Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
// This code is generated from:
// https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
//
using System;
using System.Text.RegularExpressions;
namespace ConsoleApplication1;
class Program
{
public static bool useRegex(String input)
{
const Regex regex = new Regex("%1\$s"%2\$s);
return regex.IsMatch(input);
}
static void Main(string[] args)
{
string txt = "user@localhost [2023-08-08]$ ping 127.0.0.1";
string re0 = "([A-Za-z0-9]+)";
string re1 = "(.)";
string re2 = ".*?";
string re3 = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)";
string re4 = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";
string re5 = "(.)";
string re6 = ".*?";
string re7 = "(\\d)";
string re8 = ".*?";
string re9 = "([A-Za-z0-9]+)";
string pattern = re0 + re1 + re2 + re3 + re4 + re5 + re6 + re7 + re8 + re9;
Regex r = new Regex(pattern,);
Match m = r.Match(txt);
if (m.Success)
{
String int1 = m.Groups[1].ToString();
Console.Write("(" + int1.ToString() + ")"+"\n");
}
Console.ReadLine();
}
}
//-----
// Paste the code into a new Console Application
//-----
' Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
' Generated automatically from the following URL:
' https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
Imports System.Text.RegularExpressions
Module Main
Sub Main()
Dim txt As String = "user@localhost [2023-08-08]\$ ping 127.0.0.1"
Dim re0 As String = "([A-Za-z0-9]+)"
Dim re1 As String = "(.)"
Dim re2 As String = ".*?"
Dim re3 As String = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)"
Dim re4 As String = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])"
Dim re5 As String = "(.)"
Dim re6 As String = ".*?"
Dim re7 As String = "(\\d)"
Dim re8 As String = ".*?"
Dim re9 As String = "([A-Za-z0-9]+)"
Dim pattern As String = re0 & re1 & re2 & re3 & re4 & re5 & re6 & re7 & re8 & re9
Dim regex As New Regex(pattern, RegexOptions.IgnoreCase Or RegexOptions.Singleline)
Dim match As Match = regex.Match(txt)
If match.Success Then
Dim int1 As String = match.Groups(1).Value
Console.WriteLine("(" & int1 & ")")
End If
End Sub
End Module
// Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
// This code is generated from:
// https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
//
program Main;
uses
RegExpr;
var
txt, pattern, re0, re1, re2, re3, re4, re5, re6, re7, re8, re9 : string;
regex: TRegExpr;
int1: string;
begin
txt := 'user@localhost [2023-08-08]$ ping 127.0.0.1';
re0 := '([A-Za-z0-9]+)';
re1 := '(.)';
re2 := '.*?';
re3 := '([0-9]+(,[0-9]{3})*(\.[0-9]+)?)';
re4 := '((?:(?:[0-2]?\d{1})|(?:[3][01]{1})))(?![\d])';
re5 := '(.)';
re6 := '.*?';
re7 := '(\d)';
re8 := '.*?';
re9 := '([A-Za-z0-9]+)';
pattern := re0 + re1 + re2 + re3 + re4 + re5 + re6 + re7 + re8 + re9;
regex := TRegExpr.Create;
regex.ModifierI := True; // Enable case-insensitive matching
regex.Expression := pattern;
if regex.Exec(txt) then
begin
int1 := regex.Match[1];
WriteLn('(', int1, ')');
end;
regex.Free;
end.
#!/usr/bin/python
# Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
# Generated automatically from the following URL:
# https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
import re
txt = "user@localhost [2023-08-08]$ ping 127.0.0.1"
re0 = "([A-Za-z0-9]+)";
re1 = "(.)";
re2 = ".*?";
re3 = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)";
re4 = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";
re5 = "(.)";
re6 = ".*?";
re7 = "(\\d)";
re8 = ".*?";
re9 = "([A-Za-z0-9]+)";
pattern = re0 + re1 + re2 + re3 + re4 + re5 + re6 + re7 + re8 + re9;
rg = re.compile(pattern, re.IGNORECASE | re.DOTALL)
m = rg.search(txt)
if m:
int1 = m.group(1)
print ("("+int1+")"+"\n")
#-----
# Paste the code into a new python file. Then execute:
# $ python3 test.py
#-----
#!/usr/bin/ruby
# Please note that this regex generator is still in BETA (v0.9BETA). If there's an error, please click the Bug Report button on the site
# Generated automatically from the following URL:
# https://www.txt2regex.com/generator/?txt=user%40localhost+%5B2023-08-08%5D%24+ping+127.0.0.1&sel=5%2C42%2C59%2C33%2C46%2C103%2C10
txt = "user@localhost [2023-08-08]$ ping 127.0.0.1"
re0 = "([A-Za-z0-9]+)";
re1 = "(.)";
re2 = ".*?";
re3 = "([0-9]+(,[0-9]{3})*(\\.[0-9]+)?)";
re4 = "((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";
re5 = "(.)";
re6 = ".*?";
re7 = "(\\d)";
re8 = ".*?";
re9 = "([A-Za-z0-9]+)";
pattern = re0 + re1 + re2 + re3 + re4 + re5 + re6 + re7 + re8 + re9;
m=Regexp.new(pattern, Regexp::IGNORECASE);
if m.match(txt)
int1=m.match(txt)[1];
puts "("<<int1<<")"<< "\n"
end
#-----
# Paste the code into a new ruby file. Then execute:
# $ ruby test.ruby
#-----