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Asked: 2026-06-06T22:27:00+00:00

I have the following expression that should match the entire given word in case

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I have the following expression that should match the entire given word in case insensitive way.Quotes are part of the word so I check whether the word is preceded or followed by any quote. For example, the word “foo” shouldn’t match the text “foo’s”.

word = "foo"
pattern = re.compile(r'(?<![a-z\'])%s(?![a-z\'])' % word,flags=re.IGNORECASE)

The exception are triple quotes, if the word is inside(next to) the triple quotes it should match:

pattern.search("'''foo bar baz'''")

“foo” should be found this time but it doesn’t because the word is preceded by a quote.

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1 Answer

  1. Editorial Team
    ((?<![a-z\'\"])|(?<=\'{3}))foo((?![a-z\'\"])|(?=\'{3}))
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