- write regular expressions which recognize each of the following things: Strings which contain the substring "ough" regardless of caseStrings which contain the word "Okay" (uppercase or lowercase), but with any number of a's in it (as long as there's at least one). Things which should match: "So, I said 'Okay.", "Is that reeeeally okaaay?", "Gate Agent: Mister Jon, you're all set. Lil Jon: Okaaaaay." Things which should not match: "ok", "okkayyyy", "oky", "pokey", "ooook"

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
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- write regular expressions which recognize
each of the following things:
Strings which contain the substring "ough"
regardless of caseStrings which contain the
word "Okay" (uppercase or lowercase), but
with any number of a's in it (as long as
there's at least one).
Things which should match: "So, I said
'Okay.", "Is that reeeeally okaaay?", "Gate
Agent: Mister Jon, you're all set. Lil Jon:
Okaaaaay."
Things which should not match: "ok",
"okkayyyy", "oky", "pokey", "ooook"
Transcribed Image Text:- write regular expressions which recognize each of the following things: Strings which contain the substring "ough" regardless of caseStrings which contain the word "Okay" (uppercase or lowercase), but with any number of a's in it (as long as there's at least one). Things which should match: "So, I said 'Okay.", "Is that reeeeally okaaay?", "Gate Agent: Mister Jon, you're all set. Lil Jon: Okaaaaay." Things which should not match: "ok", "okkayyyy", "oky", "pokey", "ooook"
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