string split characters : microsoft, dotnet, 2008, C#

May 17, 2008 04:33am pdt

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05.09.2008 at 09:01AM PDT, ID: 23389877

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7.9

string split characters

Zones: Microsoft Visual C#.Net, .NET, C# Programming Language

Tags: microsoft, dotnet, 2008, C#

hi i have a filename

CX3_CLARIION_ALL_cabrel_200803.doc.

i want to split it and assigned to a stirng

product=CX3_CLARIION
location=ALL;
report type=cabrel
period=200803

please help me on this. iam not sure how to split this. i think we cannot delimit by _ , but what would be the other way.

thanks

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Question Stats

Zone: Programming

Question Asked By: gladstonesheeba

Solution Provided By: pfletcher631

Participating Experts: 4

Solution Grade: A

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05.09.2008 at 09:22AM PDT, ID: 21534372

nsanga:

you can split using "_" and for the last string split by "."

also you can use IndexOf("_") on the string to find the index and SubString() to get the string between the index.....

but i think split is easy to use.....

05.09.2008 at 09:28AM PDT, ID: 21534429

gladstonesheeba:

but if you use underscore (_) the product string will be split in to two CX3 , Clariion. because they has the _ between them . Right?. some of the product name has without underscore , but some has it

for example

CX3_clarriion_cabrel_all_200803.doc

Brocade_cabrel_all_200803.doc

the first portion contains the product number (CX3_clarrion)
brocade is the product number.

i want to get the product number from each of the file names ok. for that i need to split the filenames so that i can get product, period,location, report type. please help me on this how to do this.

05.09.2008 at 09:35AM PDT, ID: 21534494

LukeyJay:

if the only thing that has an underscore in it sometimes is the product name, you might want to work backwards from the end of the string and simply separate using the "." and the "_" until all the fields are filled except product name, then assign everything left over to product name.

Luke

05.09.2008 at 09:43AM PDT, ID: 21534568

gladstonesheeba:

i don't understand what you are saying . could you please tell me clearly. iam sought of confused

05.09.2008 at 09:50AM PDT, ID: 21534627

LukeyJay:

Use a for loop to reverse the order of the filename. Then just go through the backwards filename, starting at the "." and filling the names of the fields in reverse, period, type, location, then, when location is filled (indicated by finding the "_"), you can just say the rest of it belongs to the product name. Then, when you're done, just use a couple for loops to get the fields in the right order again (i.e. not backwards).

Luke

05.09.2008 at 10:04AM PDT, ID: 21534747

gladstonesheeba:

are you saying like this. here's my code . please alter this if iam wrong
string product;
string reporttype;
string location;
string period;
char[] delimiterChars = { '_', '.' };
string[] attribs = file.Name.Split(delimiterChars);

// pattern: product_location_cabrel_period.doc
product = attribs[0];
location = file.DirectoryName;
period = attribs[3];
reporttype = attribs[2];

05.09.2008 at 10:10AM PDT, ID: 21534797

LukeyJay:

Let me look at yours real quick. But you could brute force it like this.

Luke

                       
                          
                             
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                                string temp = "CX3_CLARIION_ALL_cabrel_200803.doc";
string filename = "";
string product = "";
string location = "";
string reporttype = "";
string period = "";
int i, j;
bool flag1 = false;
bool flag2 = false;
bool flag3 = false;
bool flag4 = false;
 
for (i = 0; i < temp.Length; i++)
{
	filename[i] = temp[(temp.Length - 1) - i];
}
 
 
for (i = 0; i < filename.Length; i++)
{
	if (flag1 == false)
	{
		if (filename[i] != '.')
		{
		}
		else
		{
			flag1 = true; //found the "."
			j = 0;
		}
	else
	{
		if (flag2 == false)
		{
			if (filename[i] != '_')
			{
				period[j] = filename[i];
				j++;
			}
			else
			{
				flag2 = true; //found the first "_"
				j = 0;
			}
		}
		else
		{
			if (flag3 == false)
			{
				if (filename[i] != '_')
				{
					reporttype[j] = filename[i];
					j++;
				}
				else
				{
					flag3 = true; //found the second "_"
					j = 0;
				}
			}
			else
			{
				if (flag4 == false)
				{
					if (filename[i] != '_')
					{
						location[j] = filename[i];
						j++;
					}
					else
					{
						flag4 = true; //found the third "_"
						j = 0;
					}
				}
				else
				{
					product[j] = filename[i];
					j++;
				}
			}
		}
	}
}
 
for (i = 0; i < product.Length; i++)
{
	temp[i] = product[(product.Length - 1) - i];
}
 
product = temp;
 
//repeat for others

                             
                          

                    

Open in New Window

05.09.2008 at 10:12AM PDT, ID: 21534810

LukeyJay:

The problem with your code is that if you have a product name that includes a "_", then your code will assume the second half of it is something else.

Luke

05.09.2008 at 10:13AM PDT, ID: 21534826

pfletcher631:

This should be what your looking for.

                       
                          
                             
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                                public String ReverseString(String ToReverse)
{
	char[] chars = ToReverse.ToCharArray();
	Array.Reverse(chars);
	return new String(chars);
}
 
public void Split()
{
	String ToParse = "CX3_CLARIION_ALL_cabrel_200803.doc";
 
	String Doc, Period, ReportType, Location, Product;
	Doc = Period = ReportType = Location = Product = String.Empty;
 
	String CurrentString = String.Empty;
 
	for (int i = ToParse.Length - 1; i > -1; i--)
	{
		Char currentChar = ToParse[i];
 
		if (Doc == String.Empty)
		{
			if (currentChar == '.')
			{
				Doc = CurrentString;
				CurrentString = String.Empty;
				continue;
			}
 
			CurrentString += currentChar.ToString();
			continue;
		}
 
		if (Period == String.Empty)
		{
			if (currentChar == '_')
			{
				Period = CurrentString;
				CurrentString = String.Empty;
				continue;
			}
 
			CurrentString += currentChar.ToString();
			continue;
		}
 
		if (ReportType == String.Empty)
		{
			if (currentChar == '_')
			{
				ReportType = CurrentString;
				CurrentString = String.Empty;
				continue;
			}
 
			CurrentString += currentChar.ToString();
			continue;
		}
 
		if (Location == String.Empty)
		{
			if (currentChar == '_')
			{
				Location = CurrentString;
				CurrentString = String.Empty;
				continue;
			}
 
			CurrentString += currentChar.ToString();
			continue;
		}
 
		if (Product == String.Empty)
		{
			CurrentString += currentChar.ToString();
 
			if (i == 0)
			{
				Product = CurrentString;
				CurrentString = String.Empty;
			}
		}
	}
 
	Product = ReverseString(Product);
	Location = ReverseString(Location);
	ReportType = ReverseString(ReportType);
	Period = ReverseString(Period);
	Doc = ReverseString(Doc);
}

                             
                          

                    

Open in New Window

Accepted Solution

05.09.2008 at 11:58AM PDT, ID: 21535571

IdFaciam:

Ok, maybe I'm missing something, but why not something like this?

                       
                                            string tstString = "CX3_CLARIION_ALL_cabrel_200803.doc";
            string product;
            string location;
            string reportType;
            string period;
 
            string[] strArray = tstString.Split('.');
            string[] parseArray = strArray[0].Split('_');
 
            product = parseArray[0] + "_" + parseArray[1];
            location = parseArray[2];
            reportType = parseArray[3];
            period = parseArray[4];

Open in New Window

05.09.2008 at 12:04PM PDT, ID: 21535614

IdFaciam:

Ah, maybe it's because I misread the authors first comment. Well, from the looks of it then, you're going to have to implement Luke or Fletchers approach.

20080236-EE-VQP-29 / EE_QW_2_20070628