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Expression Functions

An expression is a script with constant parts and function calls that produce text. Those functions are provided to simplify data generation without assembling basic generation rules.

Generation rules are more sophisticated than functions, but functions are sometimes more simple to manage to quickly generated data.

For example, to produce a phone number based on the pattern "+(33|44) NN NNN NNN" you can use 4 fields (a list of 33 and 44, and three decimal words). Or you can use the folowing expression

"+(" RANDLIST(33,44) " " DEC(2) " " DEC(3) " " DEC(3)"

It's up to you to decide what is the better approach, but keep in mind that expression are powerful by they tend to become difficult to manage when used too extensively.

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