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Which regular expression properly accepts a hexadecimal integer including a possible sign with up to 8 digits and nothing else?

Which regular expression properly accepts a hexadecimal integer including a possible sign with up to 8 digits and nothing else?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Computing And Software Systems

Which regular expression properly accepts a hexadecimal integer including a possible sign with up to 8 digits and nothing else? O ^(+-]?[0-9a-f{1,8)$ O ^I+I-]?(\d[a-f]){1,8}$ O (+-]?[a-f0-9]{1,8} a and c None of the above
Transcribed Image Text:Which regular expression properly accepts a hexadecimal integer including a possible sign with up to 8 digits and nothing else? O ^(+-]?[0-9a-f{1,8)$ O ^I+I-]?(\d[a-f]){1,8}$ O (+-]?[a-f0-9]{1,8} a and c None of the above
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