String - GetBetween
A string extension method that get the string between the two specified string.
public static void Main() { string str = "EntityFrameworkCore"; // C# Extension Method: String - GetBetween string getBetweenStr = str.GetBetween("Entity", "Core"); Console.WriteLine(getBetweenStr); }
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public static partial class Extensions { /// <summary> /// A string extension method that get the string between the two specified string. /// </summary> /// <param name="this">The @this to act on.</param> /// <param name="before">The string before to search.</param> /// <param name="after">The string after to search.</param> /// <returns>The string between the two specified string.</returns> public static string GetBetween(this string @this, string before, string after) { int beforeStartIndex = @this.IndexOf(before); int startIndex = beforeStartIndex + before.Length; int afterStartIndex = @this.IndexOf(after, startIndex); if (beforeStartIndex == -1 || afterStartIndex == -1) { return ""; } return @this.Substring(startIndex, afterStartIndex - startIndex); } }