RegEx - Exclude zero

Question

How can I exclude the 0 input in this regex? The user should be able to enter any number... but not the zero

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

Than

Answer 1

The following regex

^(?!0*(\.0+)?$)(\d+|\d*\.\d+)$

Does not match

0
0.0
 .0

But allows

  .1
 0.01
 1.00
 1.1
01.01
10.10
 1