GetRepeatTimes(TheChar,TheString) 得到一個字符串在另一個字符串當中出現幾次的函數(新)
如:
response.write GetRepeatTimes("w","www.51windows.net")
response.write GetRepeatTimes("ww","wwwww")
在網上看到過一個CheckTheChar(TheChar,TheString)函數,有個bug,在檢測wwwww中有幾個ww時,會錯誤的返回4個!
cLeft(string, length) 返回指定數目的從字符串的左邊算起的字符,區分單雙字節。
如:
Dim MyString, LeftString
MyString = "文字測試VBSCript"
LeftString = cLeft(MyString, 10)
返回 "文字測試VB"。
MyRandc(n) 生成隨機字符,n為字符的個數
如:
response.write MyRandn(10)
輸出10個隨機字符
MyRandn(n) 生成隨機數字,n為數字的個數
如:
response.write MyRandn(10)
輸出10個隨機數字
formatQueryStr(str) 格式化sql中的like字符串.
如:
q = Request("q")
q = formatQueryStr(q)
sql = "select * from [table] where aa like '%"& q &"%'"
GetRnd(min,max) 返回min - max之間的一個隨機數
如:
response.write GetRnd(100,200)
輸出大於100到200之間的一個隨機數
RegReplace(str,regexStr,RepalceStr) 對str 進行正則替換
如:
htmlstr = "123<img src=""asdf.gif"" border=""0"">45<b>6</b>"
htmlstr2 = RegReplace(htmlstr,"<(.[^><]*)>","")
返回 htmlstr2 為123456
所有函數如下:
function cLeft(str,n)
dim str1,str2,alln,Islefted
str2 = ""
alln = 0
str1 = str
Islefted = false
if isnull(str) then
cleft = ""
exit function
end if
for i = 1 to len(str1)
nowstr = mid(str1,i,1)
if asc(nowstr)<0 then
alln = alln + 2
else
alln = alln + 1
end if
if (alln<=n) then
str2 = str2 & nowstr
else
Islefted = true
exit for
end if
next
if Islefted then
str2 = str2 & ".."
end if
cleft = str2
end function
function MyRandc(n) '生成隨機字符,n為字符的個數
dim thechr
thechr = ""
for i=1 to n
dim zNum,zNum2
Randomize
zNum = cint(25*Rnd)
zNum2 = cint(10*Rnd)
if zNum2 mod 2 = 0 then
zNum = zNum + 97
else
zNum = zNum + 65
end if
thechr = thechr & chr(zNum)
next
MyRandc = thechr
end function
function MyRandn(n) '生成隨機數字,n為數字的個數
dim thechr
thechr = ""
for i=1 to n
dim zNum,zNum2
Randomize
zNum = cint(9*Rnd)
zNum = zNum + 48
thechr = thechr & chr(zNum)
next
MyRandn = thechr
end function
function formatQueryStr(str) '格式化sql中的like字符串
dim nstr
nstr = str
nstr = replace(nstr,chr(0),"")
nstr = replace(nstr,"'","''")
nstr = replace(nstr,"[","[[]")
nstr = replace(nstr,"%","[%]")
formatQueryStr = nstr
end function
function GetRnd(min,max)
Randomize
GetRnd = Int((max - min + 1) * Rnd + min)
end function
Function GetRepeatTimes(TheChar,TheString)
GetRepeatTimes = (len(TheString)-len(replace(TheString,TheChar,"")))/len(TheChar)
End Function
Function RegReplace(Str,PatternStr,RepStr)
Dim NewStr,regEx
NewStr = Str
if isnull(NewStr) then
RegReplace = ""
exit function
end if
Set regEx = New RegExp
regEx.IgnoreCase = True
regEx.Global = True
regEx.Pattern=PatternStr
NewStr = regEx.Replace(NewStr,RepStr)
RegReplace = NewStr
end function