Re: Split on whitespace or other criteria

by dimar (Curate)

on Jan 30, 2005 at 21:17 UTC ( [id://426431]=note: print w/replies, xml )

Need Help??

Just curious ... why do people seem to use

/(?=\-)/
[download]

... in regex, instead of ...

/[\-]/
[download]

Is the latter variant inferior? going out of style?

Comment on Re: Split on whitespace or other criteria Select or Download Code

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Re^2: Split on whitespace or other criteria by Roy Johnson (Monsignor) on Jan 30, 2005 at 23:12 UTC
The former is a lookahead; it does not eat a character. The latter consumes the "-". Oh, there's no need to backslash it. Caution: Contents may have been coded under pressure.	[reply]

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