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Re: reduce all spaces to one

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Jerry Stuckle wrote:

> On 2/4/2012 9:41 AM, Thomas 'PointedEars' Lahn wrote:
>> John wrote:
>>> Am 03.02.2012 21:19, schrieb M. Strobel:
>>>> Solution shootout:
>>>> strobel@s114-intel:~>   php -a
>>>> Interactive shell
>>>>
>>>> php>   echo str_replace('  ',' ','here   are  some      spaces  ');
>>>> here  are some   spaces
>>>> php>   echo preg_replace('/\s+/', ' ', 'here   are  some      spaces 
>>>> '); here are some spaces
>>>> php>
>>>>
>>>> The regex solution is the winner.
>>> OK.  Thanks to all those who answered !!
>>
>> It should be noted that if your question was understood literally, the
>> solutions presented so far would be wrong.  \s would match too many
>> different characters, as it stands for *white-space* in PCRE, _not_ only
>> the space character.  In order to reduce only all consecutive *space*
>> characters to one space character, you need to write
>>
>>    echo preg_replace('/ +/', ' ', "here   are  some  \n   spaces  ");
>>
>> Note that the newline, which is white-space too, is preserved here.
> 
> Newline is preserved in my version also,

No, it is not.

$ php -a
Interactive mode enabled

<?php

echo "|foo \n bar|";
echo preg_replace('/\s+/', ' ', "|foo \n bar|");     
echo preg_replace('/ +/', ' ', "|foo \n bar|");
|foo 
 bar||foo bar||foo 
 bar|

> if you understood ANYTHING about how PHP's regex's work (but we already
> know you don't). 

Stop talking to the mirror.


PointedEars
-- 
var bugRiddenCrashPronePieceOfJunk = (
    navigator.userAgent.indexOf('MSIE 5') != -1
    && navigator.userAgent.indexOf('Mac') != -1
)  // Plone, register_function.js:16

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reduce all spaces to one John <john_takethisoff@agdp.de> - 2012-02-03 20:03 +0100
  Re: reduce all spaces to one Jerry Stuckle <jstucklex@attglobal.net> - 2012-02-03 14:36 -0500
    Re: reduce all spaces to one crankypuss <no@email.thanks> - 2012-02-03 13:05 -0700
      Re: reduce all spaces to one Jerry Stuckle <jstucklex@attglobal.net> - 2012-02-03 15:17 -0500
      Re: reduce all spaces to one "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-02-03 21:19 +0100
        Re: reduce all spaces to one John <john_takethisoff@agdp.de> - 2012-02-03 21:59 +0100
          Re: reduce all spaces to one Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-04 15:41 +0100
            Re: reduce all spaces to one Jerry Stuckle <jstucklex@attglobal.net> - 2012-02-04 09:57 -0500
              Re: reduce all spaces to one Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-04 16:05 +0100
              Re: reduce all spaces to one Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-04 16:21 +0100
                Re: reduce all spaces to one Jerry Stuckle <jstucklex@attglobal.net> - 2012-02-04 16:00 -0500
              Re: reduce all spaces to one Michael Fesser <netizen@gmx.de> - 2012-02-05 21:47 +0100
                Re: reduce all spaces to one Jerry Stuckle <jstucklex@attglobal.net> - 2012-02-05 16:12 -0500
                Re: reduce all spaces to one "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-02-05 22:23 +0100
                Re: reduce all spaces to one The Natural Philosopher <tnp@invalid.invalid> - 2012-02-05 21:37 +0000
                Re: reduce all spaces to one Michael Fesser <netizen@gmx.de> - 2012-02-05 23:34 +0100
            Re: reduce all spaces to one John <john_takethisoff@agdp.de> - 2012-02-04 22:26 +0100
              Re: reduce all spaces to one Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-05 00:05 +0100
                Re: reduce all spaces to one John <john_takethisoff@agdp.de> - 2012-02-05 01:39 +0100
                Re: reduce all spaces to one Jerry Stuckle <jstucklex@attglobal.net> - 2012-02-04 20:56 -0500
                Re: reduce all spaces to one John <john_takethisoff@agdp.de> - 2012-02-05 18:02 +0100
                Re: reduce all spaces to one Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-05 03:15 +0100
                Re: reduce all spaces to one John <john_takethisoff@agdp.de> - 2012-02-05 18:04 +0100
                Re: reduce all spaces to one Doug Miller <doug_at_milmac_dot_com@example.com> - 2012-02-05 04:02 +0000
                Re: reduce all spaces to one Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-05 05:35 +0100
                Re: reduce all spaces to one Doug Miller <doug_at_milmac_dot_com@example.com> - 2012-02-06 01:31 +0000
                Re: reduce all spaces to one "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-02-06 09:31 +0100
                [OT]: "native" English (was: reduce all spaces to one) Gregor Kofler <usenet@gregorkofler.com> - 2012-02-05 11:03 +0100
                Re: [OT]: "native" English The Natural Philosopher <tnp@invalid.invalid> - 2012-02-05 10:11 +0000
                Re: [OT]: "native" English Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-02-05 14:00 +0100
                Re: [OT]: "native" English The Natural Philosopher <tnp@invalid.invalid> - 2012-02-05 13:53 +0000
                Re: reduce all spaces to one John <john_takethisoff@agdp.de> - 2012-02-05 18:05 +0100
  Re: reduce all spaces to one "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-02-03 21:30 +0100

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