Extract demimal Value from string[]

Hello,

I want to extract decimal value “ex: 1.00; 1.5” from a table of string string

I had scapped this:

mamas
33 mm:
1 .00
using get OCR text and i want to extract 1.00,

try using the following regex in a matches activity ^(\d*.)?\d+$

i’m trying to use System.Text.RegularExpressions.Regex.Split(phrase(compteur), @"[^0-9.]+").Where(c => c != “.” && c.Trim() != “”) but error: expression expected