Regex Decimal Validation in C# Java

To day i will show how to Validate a Decimal number through regex.
Regex is very usable expression notation which is approximately same for all Programming Languages (like Java , C#, Python,  JavaScript etc  ) and also it is Very fast as compare to if else Logic. 
I already share how to use Regex in Programming Langues C#.


So, Regular expression (regex) for Decimal Point Validation is following

^([0-9]{1,5}(\\.[0-9]{0,2})?)()*$

 and We can use this Expression in Our Code like Java.

 String abc="10.0";
if(abc.matches("^([0-9]{1,5}(\\.[0-9]{0,2})?)()*$"))
{
System.out.println("VALIID");
}
else 
{
System.out.println("INVALIID");
}

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