regular expression for validate specific digit after decimal point

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hi,

I want to validate a decimal number with some condition

1. After decimal point , there is only one digit

2. After decimal point ,that one digit will be 5 . eg:- 1.5, 2.5, 33.5 ....like that..

I tried to find out , but only I found the 1st point (

/^[0-9]*(?:\.\d{1})?$/;

)..

Is there is any way to solve .it will be help full.

Posted 29-Oct-14 2:03am

aravindnass

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Peter Leow · Accepted Answer · 2014-10-29T04:44:00

Solution 2

Try this, decimal number with only a "5" after decimal point.

^\d*.5$

Posted 29-Oct-14 4:44am

Peter Leow

Comments

aravindnass 29-Oct-14 13:55pm

thanks...:)

kedar001 · Accepted Answer · 2014-10-29T02:10:00

Solution 1

try

C#

^(?:\d+\.)*5+$

Posted 29-Oct-14 2:10am

kedar001

Comments

aravindnass 29-Oct-14 13:55pm

thanks for helping....

aravindnass 31-Oct-14 1:05am

hey ...
I also want add 0 after decimal point ....

kedar001 31-Oct-14 1:49am

only 50 or 05 also?

aravindnass 31-Oct-14 1:53am

No I want like that - 1.0,1.5,23.0,23.5....
I found ans ...

/^\d*.[5,0]$/

Thankss...

kedar001 31-Oct-14 1:55am

Good .. :)