How to use .NET Regex to express positive numbers with decimal
How can use regular express to express the **positive** amount with **most 20** digits in integral and **6** decimals, such as 0.25, 1234566789.123456?

Thank you.
How to use .NET Regex to express positive numbers with decimal
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How can use regular express to express the **positive** amount with **most 20** digits in integral and **6** decimals, such as 0.25, 1234566789.123456?

Thank you.