Be concise.

Be useful.

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Please do not paste any copyright violating resource.

Please try to avoid dependencies to third-party libraries and frameworks.

Other implementations
import "strconv"
f, err := strconv.ParseFloat(s, 64)
f = s.to_f
import locale
s = u'545,2222'
locale.setlocale(locale.LC_ALL, 'de')
f = locale.atof(s)
f = float(s)
f := StrToFloat(s);
let f = s.parse::<f32>().unwrap();
read s :: Double
f = num.parse(s);
uses sysutils;
f := s.ToExtended;
$f = floatval($s);
let f = +s