我如何将文本转换为帕斯卡的情况下？ [英] How can I convert text to Pascal case?

问题描述

我有一个变量名，说WARD_VS_VITAL_SIGNS，我想将其转换为Pascal大小写格式：WardVsVitalSigns

I have a variable name, say "WARD_VS_VITAL_SIGNS", and I want to convert it to Pascal case format: "WardVsVitalSigns"

WARD_VS_VITAL_SIGNS -> WardVsVitalSigns

我怎样才能让这种转换？

How can I make this conversion?

推荐答案

首先，你所要求的所有权的情况下，而不是骆驼的情况下，因为在骆驼的情况下单词的第一个字母小写，而你的例子显示了你想要的第一个字母。为大写

First off, you are asking for title case and not camel-case, because in camel-case the first letter of the word is lowercase and your example shows you want the first letter to be uppercase.

无论如何，这里是你如何能达到你想要的结果：

At any rate, here is how you could achieve your desired result:

string textToChange = "WARD_VS_VITAL_SIGNS";
System.Text.StringBuilder resultBuilder = new System.Text.StringBuilder();

foreach(char c in textToChange)
{
    // Replace anything, but letters and digits, with space
    if(!Char.IsLetterOrDigit(c))
    {
        resultBuilder.Append(" ");
    }
    else 
    { 
        resultBuilder.Append(c); 
    }
}

string result = resultBuilder.ToString();

// Make result string all lowercase, because ToTitleCase does not change all uppercase correctly
result = result.ToLower();

// Creates a TextInfo based on the "en-US" culture.
TextInfo myTI = new CultureInfo("en-US",false).TextInfo;

result = myTI.ToTitleCase(result).Replace(" ", String.Empty);

请注意：结果现在 WardVsVitalSigns 。

如果你这样做，其实是想骆驼的情况下，再经过以上所有的，只是用这个帮手功能：

If you did, in fact, want camel-case, then after all of the above, just use this helper function:

public string LowercaseFirst(string s)
{
    if (string.IsNullOrEmpty(s))
    {
        return string.Empty;
    }

    char[] a = s.ToCharArray();
    a[0] = char.ToLower(a[0]);

    return new string(a);
}

所以，你可以调用它，就像这样：

So you could call it, like this:

result = LowercaseFirst(result);

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