I found myself using the character specific String.Trim(params char[] trimChars) overload to remove some carriage returns and tabs when I realized I was reinventing the wheel again. Not content with the basic Trim()'s intellisense ("Removes all occurrences of white space characters from the beginning and end of this instance") I dove into Reflector: public string Trim()
{
return this.TrimHelper(WhitespaceChars, 2);
}
TrimHelper is fairly obvious - it does the actual trimming of the characters.
The WhitespaceChars array (which is also used by TryParse() and some of the other TrimXxx() methods) is set in the String static constructor:
static String()
{
Empty = "";
WhitespaceChars = new char[] {
'\t', '\n', '\v', '\f', '\r', ' ', '\x0085', '\x00a0', ' ',
' ', ' ', ' ', ' ', ' ', ' ', ' ',
' ', ' ', ' ', ' ', '', '\u2028', '\u2029', ' ', ''
};
}
Not sure what some of those non-printable characters are, but I'm satisfied...
posted by Oskar Austegard at 1:41 PM on Jun 24, 2008
".NET: What exactly does Trim() trim?"
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