C# Detailed explanation of how to delete numbers or non-numbers in a string based on regular expressions

This article mainly introduces C#Based on regularexpressionDeleting numbers or numbers in string The non-numeric method involves C#'s simple regular matching operation skills for numbers. Friends in need can refer to the following

This article describes the C# method of deleting numbers or non-numbers in a string based on regular expressions. Share it with everyone for your reference, the details are as follows:

/// 去掉字符串中的数字
public static string RemoveNumber(string key)
{
  return Regex.Replace(key, @"\d", "");
}
//去掉字符串中的非数字
public static string RemoveNotNumber(string key)
{
  return Regex.Replace(key, @"[^\d]*", "");
}

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