Re^5: Regex help

(?!\w) and (?=\W) differ at the end of the string.

(?<=\w) and (?<!\W) differ at the start of the string.

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Re^6: Regex help by pKai (Priest) on Jan 16, 2006 at 10:27 UTC
Oh, I was vaguely aware of it. But I didn't realize that that was the exact point japhy addressed! Read more... (911 Bytes) `[\b ]this, [(?:(?=\w)(?<!\w)\|(?=\W)(?<!\W))]this, [(?:(?<=\w)(?!\w)\|(?<=\W)(?!\W))]this, [(?(?=\w)(?<!\w)\|(?<!\W)) ]this, [(?(?<=\w)(?!\w)\|(?!\W)) ]this,* [(?:(?=\w)(?<!\w)\|(?!\w)(?<=\w))]this, [\b ],that [(?:(?=\w)(?<!\w)\|(?=\W)(?<!\W))],that [(?:(?<=\w)(?!\w)\|(?<=\W)(?!\W))],that [(?(?=\w)(?<!\w)\|(?<!\W)) ],that* [(?(?<=\w)(?!\w)\|(?!\W)) ],that [(?:(?=\w)(?<!\w)\|(?!\w)(?<=\w))],that` [download]	[reply] [d/l] [select]

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Re^6: Regex help
by pKai (Priest) on Jan 16, 2006 at 10:27 UTC

Oh, I was vaguely aware of it. But I didn't realize that that was the exact point japhy addressed!

Read more... (911 Bytes)

[\b                             ]*this*,
[(?:(?=\w)(?<!\w)|(?=\W)(?<!\W))]*this*,
[(?:(?<=\w)(?!\w)|(?<=\W)(?!\W))]this*,*
[(?(?=\w)(?<!\w)|(?<!\W))       ]*this*,
[(?(?<=\w)(?!\w)|(?!\W))        ]*this*,*
[(?:(?=\w)(?<!\w)|(?!\w)(?<=\w))]*this*,
[\b                             ],*that*
[(?:(?=\w)(?<!\w)|(?=\W)(?<!\W))]*,*that
[(?:(?<=\w)(?!\w)|(?<=\W)(?!\W))],*that*
[(?(?=\w)(?<!\w)|(?<!\W))       ]*,*that*
[(?(?<=\w)(?!\w)|(?!\W))        ],*that*
[(?:(?=\w)(?<!\w)|(?!\w)(?<=\w))],*that*
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