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error 404 is not among | revDocs | RunRev
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Product Edition
Version
is not among
Basics
Expander triangle
Type
Operator
Syntax
valueToFind is not among the {words | items | lines} of stringToSearch
Introduced
1.0
Environment
Desktop, Web and Server
Platform Support
MacOS,Mac OS X,Windows,Linux
Security
None required
Summary
Evaluates to true if a chunk is not equal to any of the chunks in a string, false otherwise.
Examples

"a" is not among the words of "human" -- evaluates to true

Additional Comments
Expander triangle

Use the is not among operator to find out whether a string exists as an entire word, item, or line of another string.

Parameters:

The valueToFind is a string or an expression that evaluates to a string.

The stringToSearch is a string is an expression that evaluates to a string.

Comments:

The valueToFind must be a single word, item, or line (whichever chunk type you have specified). If you specify a string containing more than one chunk, the is not among operator evaluates to true, even if all the chunks are in the stringToSearch.

The is not among operator is the logical inverse of the is among operator. When one is true, the other is false.

User Comments
Expander triangle