How to check if all the charactersof a string are same?

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1

Hello,

There is a string like the following example：

|AAAAA |TRUE|
|AAC |FALSE|
|CCCCCCC |TRUE|

How to check if all the charactersof a string are same?THX~

2

@Bosch

Please try as below using outmatches.

1 Like
3

Hi,

Can you try the following condition?

yourString.Distinct().Count()=1

Regards,

2 Likes
4

It’s amazing!Thanks for your help!

1 Like
5

It’s profound~I will try my best to learn!THX~

6

Can i ask one more question?

IF the unique value in the string=A

There is a string like the following example：

|AAAAA |TRUE|
|AAC |FALSE|
|CCCCCCC |FALSE|

How to check string in this condition?THX…

7

Hi,

How about the following?

System.Text.RegularExpressions.Regex.IsMatch(yourString,"[^A]")

Regards,

2 Likes
8

It’s worked!!!I’ve thought about it for a long time…THX

1 Like
9

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