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VBScript Filter Function


VBScript Reference Complete VBScript Reference

The Filter function returns a zero-based array that contains a subset of a string array based on a filter criteria.

Note: If no matches of the value parameter are found, the Filter function will return an empty array.

Note: If the parameter inputstrings is Null or is NOT a one-dimensional array, an error will occur.

Syntax

Filter(inputstrings,value[,include[,compare]])

Parameter Description
inputstrings Required. A one-dimensional array of strings to be searched
value Required. The string to search for
include Optional. A Boolean value that indicates whether to return the substrings that include or exclude value. True returns the subset of the array that contains value as a substring. False returns the subset of the array that does not contain value as a substring. Default is True.
compare Optional. Specifies the string comparison to use.

Can have one of the following values:

  • 0 = vbBinaryCompare - Perform a binary comparison
  • 1 = vbTextCompare - Perform a textual comparison

Examples

Example 1

Filter: items that contains "S"

<%

a=Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday")
b=Filter(a,"S")
for each x in b
    response.write(x & "<br />")
next

%>

The output of the code above will be:

Sunday
Saturday

Show Example »

Example 2

Filter: items that does NOT contain "S" (include=False):

<%

a=Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday")
b=Filter(a,"S",False)
for each x in b
    response.write(x & "<br />")
next

%>

The output of the code above will be:

Monday
Tuesday
Wednesday
Thursday
Friday

Show Example »

Example 3

Filter: items that contains "S", with a textual comparison (compare=1):

<%

a=Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday")
b=Filter(a,"S",True,1)
for each x in b
    response.write(x & "<br />")
next

%>

The output of the code above will be:

Sunday
Tuesday
Wednesday
Thursday
Saturday

Show Example »

VBScript Reference Complete VBScript Reference

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