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# Boundary arguments

The following table indicates how to use the boundary arguments to save portions of the parameter string.

Portion of string to save to parameter | LB | RB | Applies to
Entire string - header and body. | empty | empty | web_reg_save_param
A string delimited by boundaries | boundary | boundary | web_reg_save_param
The beginning of a string until the first right boundary | empty | boundary | web_reg_save_param
The last left boundary until the end | boundary | empty | web_reg_save_param

For an overview of the steps required to correlate HTML statements in a script, see Correlating HTML statements.

Regular expressions are not supported in the boundary arguments unless the function supports the /RE qualifier.

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