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# lr.eval_string

Returns the string argument after evaluating embedded parameters.

## JavaScript

    function lr.eval_string(  instring  )

## VBScript

    Function lr.eval_string(  instring  )

Example: lr.eval_string | String and Parameter Functions

## Arguments

Name | Comments
--- | ---
instring | The string to evaluate.

The lr.eval_string function returns the input string after evaluating any embedded parameters. If the string argument contains only a parameter, the function returns the current value of the parameter.

Embedded parameters must be in brackets.

## Return Values

Returns the value of the specified string. On failure, returns NULL.

## Parameterization

All input arguments can be parameterized using standard parameterization.

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