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## JSTL functions
Function substring

`java.lang.String substring(java.lang.String, int, int)`

Returns a subset of a string.

Example:

    P.O. Box: ${fn:substring(zip, 6, -1)}

Function Information
Function Class | org.apache.taglibs.standard.functions.Functions
Function Signature | java.lang.String substring(java.lang.String, int, int)
Display Name | None

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