Recommended: Useful collection of functions in ASP development (2) A collection of useful functions in ASP development is quite useful, please keep it! '*************************************** 'Filtering hyperlink'********************************* Function checkURL(ByVal ChkStr) Dim str:str=ChkStr str=Trim(str) If IsNull(str) Then chec
A collection of useful functions in ASP development is quite useful! I hope everyone keeps it!
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'******************************************
'Prevent external submissions
'******************************************
function ChkPost()
dim server_v1,server_v2
chkpost=false
server_v1=Cstr(Request.ServerVariables(HTTP_REFERER))
server_v2=Cstr(Request.ServerVariables(SERVER_NAME))
If Mid(server_v1,8,Len(server_v2))<>server_v2 then
chkpost=False
else
chkpost=True
end If
end function
'******************************************
'IP filtering
'******************************************
function MatchIP(IP)
on error resume next
MatchIP=false
Dim SIp, SplitIP
for each SIp in FilterIP
SIp=replace(SIp,*,/d*)
SplitIP=split(SIp,.)
Dim re, strMatchs, strIP
Set re=new RegExp
re.IgnoreCase =True
re.Global=True
re.Pattern=(&SplitIP(0)|).(&SplitIP(1)|).(&SplitIP(2)|).(&SplitIP(3)|)
Set strMatchs=re.Execute(IP)
strIP=strMatchs(0).SubMatches(0) & . & strMatchs(0).SubMatches(1)& . & strMatchs(0).SubMatches(2)& . & strMatchs(0).SubMatches(3)
if strIP=IP then MatchIP=true:exit function
Set strMatchs=Nothing
Set re=Nothing
next
end function
'******************************************
'Get the registration code
'******************************************
Function getcode()
getcode= <img src=common/getcode.asp alt= style=margin-right:40px;/>
End Function
'******************************************
'Limit file types
'******************************************
Function IsvalidFile(File_Type)
IsvalidFile = False
Dim GName
For Each GName in UP_FileType
If File_Type = GName Then
IsvalidFile = True
Exit For
End If
Next
End Function
'******************************************
'Detection whether only English and numbers are included
'******************************************
Function IsValidChars(str)
Dim re, chkstr
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
re.Pattern=[^_/.a-zA-Z/d]
IsValidChars=True
chkstr=re.Replace(str,)
if chkstr<>str then IsValidChars=False
set re=nothing
End Function
'******************************************
'Detection whether only English and numbers are included
'******************************************
Function IsvalidValue(ArrayN,Str)
IsvalidValue = false
Dim GName
For Each GName in ArrayN
If Str = GName Then
IsvalidValue = true
Exit For
End If
Next
End Function
'******************************************
'Detect whether the number is valid
'******************************************
Function IsInteger(Para)
IsInteger=False
If Not (IsNull(Para) Or Trim(Para)= Or Not IsNumeric(Para)) Then
IsInteger=True
End If
End Function
'******************************************
'Username detection
'******************************************
Function IsValidUserName(byVal UserName)
on error resume next
Dim i,c
Dim VUserName
IsValidUserName = True
For i = 1 To Len(UserName)
c = Lcase(Mid(UserName, i, 1))
If InStr(!<>?#^%@~`&*();:+=' , c) > 0 Then
IsValidUserName = False
Exit Function
End IF
Next
For Each VUserName in Register_UserName
If UserName = VUserName Then
IsValidUserName = False
Exit For
End If
Next
End Function
'******************************************
'Check whether the E-mail address is valid
'******************************************
Function IsValidEmail(Email)
Dim names, name, i, c
IsValidEmail = True
Names = Split(email, @)
If UBound(names) <> 1 Then
IsValidEmail = False
Exit Function
End If
For Each name IN names
If Len(name) <= 0 Then
IsValidEmail = False
Exit Function
End If
For i = 1 to Len(name)
c = Lcase(Mid(name, i, 1))
If InStr(abcdefghijklmnopqrstuvwxyz_-., c) <= 0 And Not IsNumeric(c) Then
IsValidEmail = false
Exit Function
End If
Next
If Left(name, 1) = . or Right(name, 1) = . Then
IsValidEmail = false
Exit Function
End If
Next
If InStr(names(1), .) <= 0 Then
IsValidEmail = False
Exit Function
End If
i = Len(names(1)) - InStrRev(names(1), .)
If i <> 2 And i <> 3 Then
IsValidEmail = False
Exit Function
End If
If InStr(email, ..) > 0 Then
IsValidEmail = False
End If
End Function
'******************************************
'Highlight keywords
'******************************************
Function highlight(byVal strContent,byRef arrayWords)
Dim intCounter, strTemp, intPos, intTagLength, intKeyWordLength, bUpdate
if len(arrayWords)<1 then highlight=strContent:exit function
For intPos = 1 to Len(strContent)
bUpdate = False
If Mid(strContent, intPos, 1) = < Then
On Error Resume Next
intTagLength = (InStr(intPos, strContent, >, 1) - intPos)
If err then
highlight=strContent
err.clear
end if
strTemp = strTemp & Mid(strContent, intPos, intTagLength)
intPos = intPos + intTagLength
End If
If arrayWords <> Then
intKeyWordLength = Len(arrayWords)
If LCase(Mid(strContent, intPos, intKeyWordLength)) = LCase(arrayWords) Then
strTemp = strTemp & <span class=high1> & Mid(strContent, intPos, intKeyWordLength) & </span>
intPos = intPos + intKeyWordLength - 1
bUpdate = True
End If
End If
If bUpdate = False Then
strTemp = strTemp & Mid(strContent, intPos, 1)
End If
Next
highlight = strTemp
End Function
Share: Useful collection of functions in ASP development (3) A collection of useful functions in ASP development is quite useful, please keep it! '*************************************** 'Slice content-Split by line'****************************** Function SplitLines(byVal Content,byVal ContentNums) Dim ts,i,l ContentNums=int(