Regex Matching numbers with floating point

Question

I have this pattern:

[0-9]*\\.?[0-9]

It matches numbers but it also matches 3.5.4 as:

1. 3.5
2. .4

How to f

Answer 1

Your regex is not anchored. If you want to match lines that contain only numbers and nothing else use:

^[0-9]*\.?[0-9]$