NGWS SDK Documentation  

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InStrRev Function

Returns the position of an occurrence of one string within another, from the end of string.

InstrRev(stringcheck, stringmatch[, start[, compare]])

Arguments

stringcheck
Required. String expression being searched.
stringmatch
Required. String expression being searched for.
start
Optional. Numeric expression that sets the starting position for each search. If omitted, –1 is used, which means that the search begins at the last character position.
compare
Optional. Numeric value indicating the kind of comparison to use when evaluating substrings. If omitted, a binary comparison is performed. See Settings section for values.

Settings

The compare argument can have the following values:

Constant Value Description
BinaryCompare  0 Performs a binary comparison.
TextCompare  1 Performs a textual comparison.

Return Values

InStrRev returns the following values:

If InStrRev returns
stringcheck is zero-length 0
stringmatch is zero-length start
stringmatch is not found 0
stringmatch is found within stringcheck Position at which match is found
start > Len(stringmatch) 0

Remarks

Note that the syntax for the InstrRev function is not the same as the syntax for the Instr function.

See Also