This is brilliant :) > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf > Of Sunanda > Sent: Wednesday, October 07, 2009 6:51 PM > To: [email protected] > Subject: [REBOL] Re: Fast way to strip characters >=20 >=20 > > what is a *fast* way to strip chars unwanted from a string? >=20 > The replies so far assume you have an explicit list of the unwanted > chars. >=20 > If instead you are starting with a list of conforming chars, and you > want to remove anything that does not conform, you need a slightly > different approach. >=20 > One way is to use 'trim twice: >=20 > good-chars: " abcdefhgijklmnopqrstuvwxyz" > target: "this: is a string!" > trim/with target trim/with copy target good-chars > =3D=3D "this is a string" >=20 > Other ways include using parse with the complement of a bit set. But > that may not be forward compatible with R3 >=20 > Sunanda. > -- > To unsubscribe from the list, just send an email to > lists at rebol.com with unsubscribe as the subject.
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