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error 404 is not in | revDocs | RunRev
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Product Edition
Version
is not in
Basics
Expander triangle
Type
Operator
Syntax
subString is not in string
Introduced
1.0
Environment
Desktop, Web and Server
Platform Support
MacOS,Mac OS X,Windows,Linux
Security
None required
Summary
Compares two strings and evaluates to true if the second does not contain the first, false if it does.
Examples

"S" is not in "BSD" -- evaluates to false

Additional Comments
Expander triangle

Use the is not in operator to find out whether a string contains a substring.

Parameters:

The substring and string are both strings, or expressions that evaluate to strings.

Comments:

The expression

firstString is not in secondString

is equivalent to

not (secondString contains firstString)

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

User Comments
Expander triangle