Extract floating point value f from its string representation s
New implementation

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Other implementations
(parse-double s)
(read-string s)
(Float/parseFloat s)
float f = std::stof(s);
var f=float.Parse(s);
import std.conv;
float f = s.to!float;
f = num.parse(s);
f = String.to_float(s)
read (unit=s,fmt=*) f
import "strconv"
f, err := strconv.ParseFloat(s, 64)
read s :: Double
let f = +s
double f = Double.parseDouble(s);
Float f = Float.valueOf(s);
Double f = Double.valueOf(s);
$f = floatval($s);
uses sysutils;
f := s.ToExtended;
uses sysutils;
f := StrToFloat(s);
my $f = $s;
import locale
s = u'545,2222'
locale.setlocale(locale.LC_ALL, 'de')
f = locale.atof(s)
f = float(s)
f = float(s)
f = s.to_f
let f = s.parse::<f32>().unwrap();
let f: f32 = s.parse().unwrap();