[英]Remove special characters from a string
These are valid characters: 这些是有效字符:
a-z
A-Z
0-9
-
/
How do I remove all other characters from my string? 如何从字符串中删除所有其他字符?
Dim cleanString As String = Regex.Replace(yourString, "[^A-Za-z0-9\-/]", "")
Use either regex or Char class functions like IsControl(), IsDigit() etc. Get a list of these functions here: http://msdn.microsoft.com/en-us/library/system.char_members.aspx 使用正则表达式或Char类函数,如IsControl(),IsDigit()等。在此处获取这些函数的列表: http : //msdn.microsoft.com/en-us/library/system.char_members.aspx
Here's a sample regex example: 这是一个示例正则表达式示例:
(Import this before using RegEx) (在使用RegEx之前导入此项)
Imports System.Text.RegularExpressions
In your function, write this 在你的函数中,写下这个
Regex.Replace(strIn, "[^\w\\-]", "")
This statement will replace any character that is not a word, \\ or -. 此语句将替换任何不是单词的字符,\\或 - 。 For eg aa-b@c will become aa-bc.
例如aa-b @ c将成为aa-bc。
Function RemoveCharacter(ByVal stringToCleanUp)
Dim characterToRemove As String = ""
characterToRemove = Chr(34) + "#$%&'()*+,-./\~"
Dim firstThree As Char() = characterToRemove.Take(16).ToArray()
For index = 1 To firstThree.Length - 1
stringToCleanUp = stringToCleanUp.ToString.Replace(firstThree(index), "")
Next
Return stringToCleanUp
End Function
Dim txt As String
txt = Regex.Replace(txt, "[^a-zA-Z 0-9-/-]", "")
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