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23 changes: 23 additions & 0 deletions
23
src/Tingle.Extensions.Primitives/Extensions/StringSplitExtensions.cs
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using System.Text.RegularExpressions; | ||
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namespace System; | ||
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/// <summary>Extension methods for <see cref="string"/> for splitting.</summary> | ||
public static partial class StringSplitExtensions | ||
{ | ||
/// <summary> | ||
/// Split a string in Pascal casing into multiple words by adding the specified <paramref name="separator"/>. | ||
/// </summary> | ||
/// <param name="source"></param> | ||
/// <param name="separator"></param> | ||
/// <returns></returns> | ||
public static string PascalSplit(this string source, string separator = " ") | ||
{ | ||
ArgumentNullException.ThrowIfNull(source); | ||
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return GetPascalSplitFormat().Replace(source, separator); | ||
} | ||
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[GeneratedRegex(@"(?<=[A-Za-z])(?=[A-Z][a-z])|(?<=[a-z0-9])(?=[0-9]?[A-Z])")] | ||
private static partial Regex GetPascalSplitFormat(); | ||
} |
14 changes: 14 additions & 0 deletions
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tests/Tingle.Extensions.Primitives.Tests/Extensions/StringSplitExtensionsTests.cs
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namespace Tingle.Extensions.Modeling.Tests; | ||
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public class StringSplitExtensionsTests | ||
{ | ||
[Theory] | ||
[InlineData("HomeAndAway", " ", "Home And Away")] | ||
[InlineData("HomeAndAway", "_", "Home_And_Away")] | ||
[InlineData("Chickensoup", " ", "Chickensoup")] | ||
public void PascalSplit_works(string original, string separator, string expected) | ||
{ | ||
var actual = original.PascalSplit(separator); | ||
Assert.Equal(expected, actual); | ||
} | ||
} |