c# find value in string

can you be more clear

Can you please explain your scenario in a bit detail with c# code.

i am trying to guess and assume that your string will have spaces as shown above
what i will do is find the text CTDT.slangeid =  \r\n in the string and replace it with the other string using string.replace function

ill try

string test = 'AND ACTD.ArtId  =A.ArId\t\r\n\t\t\tAND CTDT.slangeid =  \r\n),\r\n(\r\n  '
string x = 2

So i want to get to point  CTDT.slangeid = and assign x and then have another string called y which looks like

y = 'AND ACTD.ArtId  =A.ArId\t\r\n\t\t\tAND CTDT.slangeid =2  \r\n),\r\n(\r\n  '

Thanks,

R8VI

If you're able, it might be better to store tokens in that string that could then be replaced with actual values...e.g. store the string as AND ACTD.ArtId  =A.ArId\t\r\n\t\t\tAND CTDT.slangeid = {0}  \r\n),\r\n(\r\n then in your code you could easily do:
string input = "AND ACTD.ArtId  =A.ArId\t\r\n\t\t\tAND CTDT.slangeid = {0}  \r\n),\r\n(\r\n";
string slangeid = "hello world";
string complete = String.Format(input, slangeid);
Or, put a token in like $*LANGEID*$ and do find replace:
string input = "AND ACTD.ArtId  =A.ArId\t\r\n\t\t\tAND CTDT.slangeid = $*LANGEID*$  \r\n),\r\n(\r\n";
string langeid = "Hello World";
string complete = input.Replace("$*LANGEID*$", langeid);
Otherwise, you can use String.IndexOf or a regular expression to find CTDT.slangeid.

Check this

http://msdn.microsoft.com/en-us/library/system.string.insert.aspx

you can use following

string y=input.Replace("CTDT.slangeid =","CTDT.slangeid ="+x)

I am accepting this as this is what worked for me