Description

We want to multiply every number by 2, including integers and floating numbers, treating 12.34 as a floating number, but ignoring those look like 1.2.3, or 140.113.17.154.

Raw Input

A=1 B=3.5 C=1.2.3 D=-18.3 E=5.6.7.8

Desired Output

A=2 B=7 C=1.2.3 D=-36.6 E=5.6.7.8

Script and Comments

Script₁ [perl]

[ 1] while(<>)
[ 2] { s/(?<!\.)(\d+(\.\d+)?)(?!\.)/$1 * 2/ge; }
[ 3] print;