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LPI Exam 101-500 Topic 1 Question 99 Discussion

Actual exam question for LPI's 101-500 exam
Question #: 99
Topic #: 1
[All 101-500 Questions]

Which of the following regular expressions represents a single upper-case letter?

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Suggested Answer: B

by Avery at Sep 19, 2024, 02:49 PM

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Milly
3 months ago
C) !a-z? That's the opposite of what we want! We need to match uppercase, not exclude lowercase.
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Janine
3 months ago
A) :UPPER:? What is this, a special regex command from some obscure programming language? I'll stick with the good old-fashioned [A-Z].
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Geraldine
3 months ago
Yeah, [A-Z] is the standard way to represent a single upper-case letter in regex.
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Leontine
3 months ago
I agree, [A-Z] is more straightforward and widely recognized.
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Denise
3 months ago
I think :UPPER: is not a common regex command, I prefer using [A-Z] as well.
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Lashawnda
3 months ago
I'm not sure about this one. Can someone explain why option B) is the correct answer?
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Marnie
3 months ago
Hah, E) {AZ}? What is this, a secret code? I think the designers of this exam have been watching too many spy movies.
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Bernardine
2 months ago
Let's stick with the more straightforward options like A) :UPPER: or B) [A-Z].
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Ahmad
2 months ago
Definitely, the exam designers are trying to be sneaky with that one.
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Evangelina
2 months ago
I think it's just a trick answer to throw us off.
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Tennie
2 months ago
Yeah, E) {AZ} does look like a secret code.
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Carisa
2 months ago
E) {AZ}
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Ula
2 months ago
D) %C
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Carey
2 months ago
C) !a-z
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Lavonna
2 months ago
B) [A-Z]
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Wilburn
2 months ago
A) :UPPER:
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Vallie
3 months ago
I agree with Kenneth. Regular expression [A-Z] matches any single upper-case letter.
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Mitsue
4 months ago
D) %C? Really? That's just nonsense. How does that even make sense as a regular expression?
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Rashad
3 months ago
E) {AZ} is not a valid regular expression for a single upper-case letter.
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Brigette
3 months ago
C) !a-z is not a valid regular expression for a single upper-case letter.
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Francoise
3 months ago
C) !a-z is not a valid regular expression for a single upper-case letter.
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Maia
3 months ago
B) [A-Z] also represents a single upper-case letter.
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German
3 months ago
A) :UPPER: is the correct regular expression for a single upper-case letter.
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Mee
3 months ago
B) [A-Z] also represents a single upper-case letter.
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Jovita
4 months ago
A) :UPPER: is the correct regular expression for a single upper-case letter.
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Kenneth
4 months ago
I think the answer is B) [A-Z]. It represents a range of upper-case letters.
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Lawana
4 months ago
B) [A-Z] is the correct answer. It's the only one that represents a single uppercase letter.
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Anisha
4 months ago
I agree, [A-Z] is the correct regular expression for a single upper-case letter.
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Sheridan
4 months ago
B) [A-Z] is the correct answer. It's the only one that represents a single uppercase letter.
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