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A comment on Show HN: I wrote a book on Python regular expressions. Parent comment

Re:Show HN: I wrote a book on Python regular expressions by _eht on Thursday August 08, 2019 @03:16PM (#20647621)
You should allow “$” on the left; as per the RFC...
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Re:Show HN: I wrote a book on Python regular expressions by just_myles on Thursday August 08, 2019 @03:52PM (#20647994)
Why I hate regex :) . You think you know it but, you never really do.
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Re:Show HN: I wrote a book on Python regular expressions by nerdponx on Thursday August 08, 2019 @10:25PM (#20650851)
That's about the email RFC, not about regex syntax.
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Re:Show HN: I wrote a book on Python regular expressions by just_myles on Friday August 09, 2019 @12:16PM (#20655704)
Ok cool.
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