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

This work only with natural numbers to 5 digit and limit five 0 digit at the left (you can personalize that limit)

/^[0]{0,5}[1-9]\d{0,4}$/

match:

1
01 .. 000001
0100000 .. 0000010000

not match:

0
00 .. 00000