RegExps - laatste loodjes

[Ivo Timmermans]

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Floris Lambrechts wrote:
>=20
> Mijn vertaling is af, maar nog een paar dingetjes ik niet. Kan iemand (met
> ervaring in reguliere expressies) eens uitleggen wat hier bedoeld wordt a=
ub?
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> To do editing you will need an editor like vi, emacs or you can use e.g p=
erl.=20
> In emacs you use M-x query-replace-regexp or you can put the
> query-replace-regexp command on some function key. Alternatively you can =
also
> use the command replace-regexp. The query-replace-regexp is interactive, =
the
> other not.  In vi the substitution command :%s/ / /gc is used. The percent
> refers to the ex-range 'whole file' and can be replaced by any appropriate
> range. E.g in vim you type shift-v, mark an area and then use the substit=
ution
> on that area only.
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>  ?? =3D> (vi) ex-range 'whole file'=20

ex-bereik `geheel bestand'

Met ex wordt hier hier de editor ex bedoeld.


> vi:     s/^  *//  (There is 2 spaces as we do not have a +)
> ?? =3D>  There is 2 spaces as we do not have a +
>=20
> Ik denk dat dit betekent dat je 2 spaties moet gebruiken omdat het + hier=
 niiet
> zou werken (in vi dus)?

Omdat + niet beschikbaar is... als geldig teken in een regexp.

>=20
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> There are also more special characters like e.g the alteration=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> ??=3D> wat is dat, alteration?

Wat is het alteration (alternation??) teken dan?


--=20
Ivo Timmermans

Deja moo: the feeling you've heard this bullshit before.

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