我如何将字符串数转换为int

Question

我只想要数字.

string str_a = "a1bc2d23ghj2";
int in_b = convert.toint32(str_a); // doesn't works

我希望in_b的输出为:12232

Answer 1

string str_a = "a1bc2d23ghj2";
string str_digits_only = new String(str_a.Where(char.IsDigit).ToArray());
int in_b = Convert.ToInt32(str_digits_only);