参照:
var x = "abc";
var x = "[abc]";
我为删除[和]字符编码了以下内容。
x1 = x.Replace("[", "");
x2 = x1.Replace("]", "");
是否有更干净的方法可以这样做? 例如,我可以用字符串一替换另一个吗? 请注意,如果出现的话,在字符串的开头和结尾总是能找到这些字符串的[和]。
参照:
var x = "abc";
var x = "[abc]";
我为删除[和]字符编码了以下内容。
x1 = x.Replace("[", "");
x2 = x1.Replace("]", "");
是否有更干净的方法可以这样做? 例如,我可以用字符串一替换另一个吗? 请注意,如果出现的话,在字符串的开头和结尾总是能找到这些字符串的[和]。
string newstring = x.Trim( [ , ] );
例如,我可以用字符串一取代另一字串吗?
是:
var result = x.Replace("[", "").Replace("]", "");
替换 () 返回字符串后, 您可以将表达式连锁在一起 :
var x1 = x.Replace("[", "").Replace("]", "");
请注意,如果出现[和],将总是在字符串的开头和结尾处找到[和]。
您需要使用正则表达式以确保 < 严格 < / em > 没有替换其他方括号 :
string output = Regex.Replace(x, @"^[|]$", "");
可能最有效的方法, 包括大字符串和许多字符串, 要删除 :
String input = "[abc]";
String removed = input.RemoveChars(new[] { [ , ] });
public static String RemoveChars(this string input, char[] charsToRemove)
{
Array.Sort(charsToRemove);
StringBuilder sb = new StringBuilder();
foreach (char c in input)
{
if (Array.BinarySearch(charsToRemove, c) < 0)
sb.Append(c);
}
return sb.ToString();
}
string newstring = x.TrimStart( [ ).TrimEnd( ] );
您应该使用 TrimStart 和 TrimEnd :
string x = "[abc]";
string result = x.TrimStart( [ ).TrimEnd( ] );
这将是最简单的方式,表现最好。
在这里,我假定[将在开始和]最后。
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