Does guid contains special character?

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I am using System.Guid.NewGuid() to create new unique identifier.

Does it contains any special character like '_' (underscore)?

Thanks in advance,

Pushkar

What I have tried:

C#

int randomNumber = System.Guid.NewGuid();

Is there any possibility that it will contain "_"(underscore).

Posted 14-May-18 5:38am

Pushkar Prabhu

Updated 14-May-18 6:30am

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BillWoodruff · Answer 1 · 2018-05-14T06:31:00

Yes, a byte in a Guid could have any value between #0~#255. The string representation of a Guid is really a separate issue.

A Guid is a #16-byte, #128-bit integer.

Take a look:

Guid newGuid = Guid.NewGuid();
Byte[] bytes = newGuid.ToByteArray();
// set break-point here, examine bytes

Solution 1

No it won't have an underscore. If you are processing a guid as a string there are various parameters you can add to Guid.ToString to control if the hyphen or curly braces are used.

Guid.ToString Method (String) (System)[^]

Posted 14-May-18 5:40am

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Does guid contains special character?

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Does guid contains special character?

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