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From Johnny Rosenberg <gurus.knu...@gmail.com>
Subject Re: Space before every line
Date Thu, 28 Jun 2012 16:50:21 GMT
2012/6/28 Armin Le Grand <Armin.Le.Grand@me.com>:
> Rob Weir <robweir@apache.org> wrote:
>> On Thu, Jun 28, 2012 at 6:57 AM, Armin Le Grand <Armin.Le.Grand@me.com> wrote:
>>> Hi Kevin,
>>>
>>> Kevin Grignon <kevingrignon.oo@gmail.com> wrote:
>>>> KG01-see comments inline.
>>>>
>>>> On Thursday, June 28, 2012, Dan wrote:
>>>>
>>>>> Srinivasulu Bhattaram wrote:
>>>>>
>>>>>> I have a text file, which has one space before every line
>>>>>> How to remove this using search and replace option
>>>>>> For carriage return or <Enter>, I learnt that we hould use
"\n" (quotes
>>>>>> not included)  and keep Regular Expressions on.
>>>>>> But I do not know what is code for space
>>>>>
>>>>>
>>>> KG01 - Why is this so complicated.  Such system language hides the power
of
>>>> the tool. The tool should understand natural language inputs.
>>>
>>> I already thought the same. Regular expressions are mighty, but only
>>> (guessed) 5% of the users understand it (as with many mighty things). My
>>> first idea was to add buttons which add the 'coded' entries tothe
>>> expression, e.g.: Button 'Space' adds '\n' when pressed to the text field.
>>> Same for 'Start of Line' adding '^'. Much more to be defined, may someone
>>> knowing regular expressions well list more of them.
>>> Another way would be to allow tokens like <Space> which get translated
to
>>> '\n' internally before using the expression, but then the user would again
>>> have to remember multiple tokens and how they are spelled (need to be
>>> valid, possible errors which need to be handled).
>>> Maybe a mix of both, press button 'Space' adds the (human readable) token
>>> <Space> which itself is not editable (represents a single character).
>>> Hmmm...
>>>
>>
>> Have you seen what the SlickEdit coding editor has?  Here is their
>> search dialog:
>>
>> http://people.apache.org/~robweir/slickedit-re-dialog.png
>>
>> So you can click a button to pop out a list of common RE patterns.
>
> Interesting. What is inserted into the text field, then? Some
> human-readable tokens, or the RE ones?
>
>> But this is more of an aid to someone who already understands RE's.
>> I'm not sure we can do much to make this conceptually much easier for
>> end users, since regular expressions have a certain amount of
>> essential complexity.  Or would it make sense to support more than one
>> RE variation, maybe full RE, but also DOS-style with only * and ?
>> qualifiers?
>
> That is what MSDEV (Developer studio) does. It allows to choose between
> 'Wildcarts' and 'Regular expression', where the first one accepts simple
> '*' placeholders. An alternative for users, but limited. Maybe a good
> compromize...
>
>> -Rob

If you have two choices and you pick both, it's not a compromise, is it?


Kind regards

Johnny Rosenberg
ジョニー・ローゼンバーグ

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