CODEWITHSUNDEEP
c#regex
Dgameman1
Dgameman1

Reputation: 378

C# Using regex to get multiple matches

var userVersionHTML = "2448hello2448welcome2448";
Regex regex = new Regex("2448(.*?)2448");
var v = regex.Match(userVersionHTML);
versionNumberStatus.Text = v.Groups[1].ToString();
usernameStatus.Text = v.Groups[2].ToString();

The goal is to get versionNumberStatus.Text to display 'hello' and for usernameStatus.Text to display 'welcome'.

The issue is that nothing appears for the usernameStatus.Text. Any ideas?

Upvotes: 1

Views: 1489

Answers (2)

shA.t
shA.t

Reputation: 16958

A solution is to use Matches() with a regex like this:

var userVersionHTML = "2448hello2448welcome2448";

Regex regex = new Regex("(2448)?(.*?)2448");
var v = regex.Matches(userVersionHTML);

versionNumberStatus.Text = v[0].Groups[2].ToString();
usernameStatus.Text = v[1].Groups[2].ToString();

Upvotes: 2

Wiktor Stribiżew
Wiktor Stribiżew

Reputation: 626738

You only have one capturing group here, in "2448(.*?)2448" pattern so you cannot access .Groups[2].

A solution is to either split with 2448 or use the 2448(.*?)2448(.*?)2448 pattern.

See the regex demo.

Or this C# code:

var userVersionHTML = "2448hello2448welcome2448";
var chunks = userVersionHTML.Split(new[] {"2448"}, StringSplitOptions.RemoveEmptyEntries); 
var versionNumberStatus = chunks[0];
var usernameStatus = chunks[1];

Upvotes: 2

Related Questions