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Operator Type:   Data manipulation
Operator Scope of Action:   Item

Extracts a substring of string. For example:


returns "t", while


returns "es". All arguments are evaluated; if the designated characters don't exist, an empty string is return.

Note that in expressions like


the value of $Name is not changed.

Up: Item-based operators
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[Last updated: 14 Dec 2009, using v5.0]

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