function Isnumber Accept + Sign

[Lost User]

Hello to All, In VB.Net and C# Isnumber(String) accept + sign for number value. Example : Isnumber ("123456+") Output : True Can any one tell me what is the reason for. Thanks & Regard Anubhava Dimri

If you can think then I Can.

[Lost User]

eg_Anubhava wrote:

Example : Isnumber ("123456+")

According to MSDN it should be Isnumber("123456+", index), where index is the index to the character to test. Perhaps you need IsDigit() for your test.

[PIEBALDconsult]

Because sometimes the sign is put at the end?

[Lost User]

Depending on the culture, + sign may appear at the end of a number.