convert this string into decimal

Question

Sounds easy but when I tried to achieve i\'m stock about how is the formatter to make this conversion this are some examples of strings that i need to convert to decimal

Answer 1

The result you're getting is because the dot . is tretaed as a group (thousand) separator. the parser simply discards it, and doesn't check if the group sizes are right. So '20.100.200' or '1.2.3.4' would also get parsed as 20100200 and 1234.

This happens on many european cultures, like 'es'

You have to use any culture that doesn't consider a . as a group separator, but as a decimal separator. CultureInfo.InvariantCulture is one of the possible cultures (it has basically the same configuration of en-US).