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Re: Is there a way make the lex program match multiple line? - Mailing list pgsql-general

From Tom Lane
Subject Re: Is there a way make the lex program match multiple line?
Date
Msg-id 2659555.1687053008@sss.pgh.pa.us
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In response to Is there a way make the lex program match multiple line?  ("Wen Yi" <896634148@qq.com>)
Responses Re: Is there a way make the lex program match multiple line?
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"=?ISO-8859-1?B?V2VuIFlp?=" <896634148@qq.com> writes:
> Can someone give me some advice to make the ['].+['] match multiple string?

You should check the flex manual, but it's likely that "." doesn't
match newline.  Another problem with this pattern is that "."
*does* match "'", so it's ambiguous what will happen with quotes.
You probably need something closer to [']([^']|\n)[']

            regards, tom lane

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