How do I extract a string of text that lies between two (brackets) using .Net (windowsapplication)

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Hi all,

I can extract a string of text that lies between two (brackets)

C#

string input = "soap(999)";
String SID =     input.Remove(input.IndexOf(')')).Substring(input.IndexOf('(') + 1);

output: 999

This is fine, But my need is

C#

String input = "soap(small)(999)";

If my string is like this means,I am not able to retriev id from string "999"

Note: In my String always "id" will be in last position only

Thanks in Advance.

Posted 7-Dec-11 4:36am

vempadu

Updated 7-Dec-11 9:08am

Wendelius

v2

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Comments

Sergey Alexandrovich Kryukov 7-Dec-11 10:41am

How it is related to "windows application" or any kind of application? (It is not.)
--SA

[no name] 7-Dec-11 20:29pm

Not quite really clear. Please give us a good INPUT and OUTPUT that you want

4 solutions

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-12-07T05:03:00

It is not clear what do you mean by "between two brackets". You might not think about it, but "(small)(999)" is another kind of match, but you probably need "(small)" or "(999)", which is called a lazy pattern.

You can find all kinds of matches using Regular Expressions. For example:

C#

using System.Text.RegularExpressions;

//...

string sampleInput = "soap(small)(999)";
Regex regex = new Regex(@"\(.*?\)");
MatchCollection matches = regex.Matches(sampleInput);
int count = matches.Count;

//...

string s0 = matches[0].Result; //will give you (small) 
string s1 = matches[1].Result; //will give you (999)

But if you use

C#

Regex regex = new Regex(@"\(.*\)");

you will get only one match "(small)(999)".

See:
http://msdn.microsoft.com/en-us/library/hs600312.aspx[^],
http://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex.aspx[^],
http://en.wikipedia.org/wiki/Regular_expression[^].

—SA

Scubapro · Answer 2 · 2011-12-07T04:56:00

Solution 1

How 'bout:

C#

using System.Text.RegularExpressions;

		
string myString = "soap(small)(999)";
string insideParentheses = Regex.Match(myString, "([0-9][0-9][0-9])").Groups(0).ToString();

Posted 7-Dec-11 4:56am

Scubapro

Comments

lewax00 7-Dec-11 17:58pm

"([0-9]{3})" or "([0-9]+)" (if it's a variable number or digits) might be better options. But otherwise that looks good.

Scubapro 8-Dec-11 1:48am

Your absolutely right, I forgot about that.

Member 14154128 2-Apr-19 0:28am

if there is multiple parentheses how will you deal with it, as I want to capture all the datas hide in parentheses like (a+b(c*d))

vempadu · Answer 3 · 2011-12-07T20:01:00

Solution 3

string xx = y.Substring(y.LastIndexOf("(") + 1, (y.LastIndexOf(")") - y.LastIndexOf("(")) - 1);

Posted 7-Dec-11 20:01pm

vempadu

Amandeep heer · Answer 4 · 2012-12-27T19:02:00

Solution 4

Thanks ... Second Solution helped me :)

Posted 27-Dec-12 19:02pm

Amandeep heer