Which of the Following Statements About Regular Expressions Is False

question 54

Multiple Choice

Which of the following statements about regular expressions is false.

• A) Both "A*" and "A+" will match "A", but only "A*" will match an empty string.
• B) "\d" matches any decimal digit.
• C) The pattern "[aeiou]" matches any vowel.
• D) The quantifier ? in a regular expression matches one or more occurrences of the preceding pattern.

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Definitions:

Diode Bridge

A circuit component consisting of four diodes arranged in a square so that when AC power is applied, it is converted to DC power.

AC Leakage Specification

A specification that defines the maximum allowable leakage current in alternating current (AC) circuits, critical for ensuring safety and preventing equipment damage.

Charging System

Consists of batteries, alternator, voltage regulator, associated wiring, and the electrical loads of the vehicle. The charging system provides the current requirements of the vehicle in operation and recharges the batteries when necessary.

Stator Windings

are the stationary part of an electric motor or generator, consisting of coils wound around a core that generates a magnetic field when electricity is passed through.