Trim的使用
These methods are designed for trimming characters from strings.
Here's a breakdown of each method, along with examples of their usage:
1. Trim(char trimChar):
-
Removes all leading and trailing instances of a specific character from a string.
-
Example:
string myString = " Hello World! "; string trimmed = myString.Trim(' '); // trimmed will be "Hello World!"
2. Trim(params char[]? trimChars):
-
Removes all leading and trailing occurrences of characters from a specified array.
-
If
trimChars
is null or empty, it removes whitespace characters. -
Example:
string myString = ",,Hello,World,,"; string trimmed = myString.Trim(','); // trimmed will be "Hello,World"
3. Trim():
-
Removes all leading and trailing whitespace characters from a string.
-
Example:
string myString = "\t This is a string with whitespace. \n"; string trimmed = myString.Trim(); // trimmed will be "This is a string with whitespace."
4. TrimEnd():
-
Removes all trailing whitespace characters from a string.
-
Example:
string myString = "This is a string with trailing whitespace "; string trimmed = myString.TrimEnd(); // trimmed will be "This is a string with trailing whitespace"
5. TrimEnd(char trimChar):
-
Removes all trailing occurrences of a specific character from a string.
-
Example:
string myString = "Hello!!!!"; string trimmed = myString.TrimEnd('!'); // trimmed will be "Hello"
6. TrimEnd(params char[]? trimChars):
-
Removes all trailing occurrences of characters from a specified array.
-
If
trimChars
is null or empty, it removes whitespace characters. -
Example:
string myString = "Hello...World..."; string trimmed = myString.TrimEnd(new char[] { '.' }); // trimmed will be "Hello...World"
7. TrimStart():
-
Removes all leading whitespace characters from a string.
-
Example:
string myString = " This is a string with leading whitespace."; string trimmed = myString.TrimStart(); // trimmed will be "This is a string with leading whitespace."
8. TrimStart(char trimChar):
-
Removes all leading occurrences of a specific character from a string.
-
Example:
string myString = "*********Hello World*********"; string trimmed = myString.TrimStart('*'); // trimmed will be "Hello World*********"
9. TrimStart(params char[]? trimChars):
-
Removes all leading occurrences of characters from a specified array.
-
If
trimChars
is null or empty, it removes whitespace characters. -
Example:
string myString = "00012345"; string trimmed = myString.TrimStart(new char[] { '0' }); // trimmed will be "12345"
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