ABS()
Array()
ASC()
CHR()
CInt()
CStr()
Date()
DateAdd()
DateDiff()
DatePart()
DateSerial()
DateValue()
Day()
Fix()
FormatCurrency()
FormatDateTime()
FormatNumber()
FormatPercent()
Hour()
InStr()
InStrRev()
Int()
IsArray()
IsDate()
IsEmpty()
IsNull()
IsNumeric()
IsObject()
Join()
LBound()
LCase()
Left()
Len()
LTrim()
Mid()
Minute()
Month()
MonthName()
Now()
Replace()
RGB()
Right()
Rnd()
Round()
RTrim()
Second()
Space()
Split()
Sqr()
strComp()
String()
StrReverse()
Time()
TimeSerial()
TimeValue()
TypeName()
UBound()
UCase()
VarType()
WeekDay()
WeekDayName()
Year()

Returns the numeric position of the first instance of one string within another

Integer

Instr([start, ] strToBeSearched, strSearchFor [, compare])

"start" (optional) is the numeric position to start the string search;
"strToBeSearched" is the string expression to be searched;
"strSearchFor" is the string expression search value;"compare" (optional) is the value indicating the comparison constant.

response.write Instr("Keep Testing!", "e")

2