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[英]How to change a text's case first letter and the rest of the letters as you desire?
[英]How do I change a string of text into lower case except the first letter
如何將文本字符串更改為小寫,但首字母除外
String value = "HELLO";
value = value.Substring(0, 1).ToUpper() + value.Substring(1).ToLower();
如果首字母應大寫(問題中未提及):
public static string ToLowerExceptFirstLetter(string value)
{
if (string.IsNullOrEmpty(value))
return value;
if (value.Length > 1)
return value.Substring(0, 1).ToUpper() + value.Substring(1).ToLower();
else
return value.ToUpper();
}
如果首字母不應該自動大寫(或者已經是大寫):
public static string ToLowerExceptFirstLetter(string value)
{
if (value == null || value.Length <= 1)
return value;
return value.Substring(0, 1) + value.Substring(1).ToLower();
}
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