Q1 How will you go about implementing the following validation rules for a user name?
— user name must be between 2 and 17 characters long.
— valid characters are A to Z, a to z, 0 to 9, . (full-stop), _ (underscore) and –
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Q1 How will you go about implementing the following validation rules for a user name?
— user name must be between 2 and 17 characters long.
— valid characters are A to Z, a to z, 0 to 9, . (full-stop), _ (underscore) and –
…
Q1 What’s the difference between a wildcard and a regular expression? A1 A wildcard is a generic term referring to something that can be substituted for all possibilities. In computer terms, usually a simple “wildcard” is just a * that can match one or more characters, … Read more ›...