Name: is not in

Type: operator

Syntax: <subString> is not in <string> 

Summary: Compares two <string|strings> and <evaluate|evaluates> to true if the second does not contain the first, false if it does.

Introduced: 1.0

OS: mac,windows,linux,ios,android

Platforms: desktop,server,web,mobile

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

Parameters:
substring (string): The substring and string are both strings, or expressions that evaluate to strings.
string (string): 

Description:
Use the <is not in> <operator> to find out whether a <string> contains a substring.

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.

References: contains (operator), is in (operator), evaluate (glossary), string (glossary), operator (glossary), string (keyword)

Tags: text processing
