Knowledgebase: Technical
Guideline for parametric phrases
Posted by Gian Luca De Bonis on 02 February 2010 11:36 AM
Parametric phrases are very powerful and allow you to parametrize strings. Strings like 'Customer: @1' match every string that starts with 'Customer: ', like 'Customer: ACME inc'.

However checking phrases as parametric is enabling pattern searching, and should be done accordingly. Here are some guidelines:
- do not indicate as parametric every phrase that contains parameters;
- do not make generic phrases, e.g. “@1:” parametric; this would match every string terminating with “:”;
- in general, make a phrase parametric if (excluding parameters) it contains a fairly large number of characters.

Examples:
- correct: “The specified value (@1) is wrong”, “Page @1 of @2”
- wrong: “@1:”, “@1-@2.”, “Don’t @1”
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