Best way to remove last pipe if it is the last character in a string

Question

User-1188570427 posted

What is the best way to remove the last character of a string if that character is a Pipe ( | )?

Example:

I am doing a for each loop and putting a pipe after each item to use in a split later.

It puts the last Pipe on and then is done with the for each.

I need to remove that last pipe OR not put it on there at all.

What is the best way to do this?

                StringBuilder stb = new StringBuilder();
                foreach (var field in currentPivot.Fields.OfType<PivotGridField>().Where(x => x.UnboundType != DevExpress.Data.UnboundColumnType.Bound))
                {
                    stb.Append(field.ID);
                    stb.Append("|");
                }

Answer 1

User475983607 posted

Simple

StringBuilder sb = new StringBuilder();
sb.Append("Hello");
sb.Append("|");
sb.Append("World");
sb.Append("|");

sb.Remove(sb.Length - 1, 1);

StringBuilder reference documentation

https://docs.microsoft.com/en-us/dotnet/api/system.text.stringbuilder?view=netframework-4.7.2

https://docs.microsoft.com/en-us/dotnet/standard/base-types/stringbuilder

Answer 2

User-893317190 posted

Hi tvb2727,

You could also try the   Trim() method.

  StringBuilder stb = new StringBuilder("|abc|def|hij|");
            string result = stb.ToString().Trim('|');
         
            Response.Write(result);

The result.

Best regards,

Ackerly Xu