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Need help with updating ereg_replace function -> to preg_replace [message #180582] Fri, 01 March 2013 08:10 Go to next message
daveh is currently offline  daveh
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Hello

I'm totally confused none of the examples I've googled seem to help with fixing the following line of code:

$myfunc = ereg_replace("0+$", "", $data);

I've tried $myfunc = preg_replace("/0+$/", "/", $data);

Please any help would be appreciated as I did not write this code and really still trying to figure out regex functions.

Thanks,

Dave
Re: Need help with updating ereg_replace function -> to preg_replace [message #180583 is a reply to message #180582] Fri, 01 March 2013 09:00 Go to previous messageGo to next message
Michael Vilain is currently offline  Michael Vilain
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In article <fbab9879-db62-4cef-80e9-71a2c0d4aecd(at)googlegroups(dot)com>,
daveh(at)allheller(dot)net wrote:

> Hello
>
> I'm totally confused none of the examples I've googled seem to help with
> fixing the following line of code:
>
> $myfunc = ereg_replace("0+$", "", $data);
>
> I've tried $myfunc = preg_replace("/0+$/", "/", $data);
>
> Please any help would be appreciated as I did not write this code and really
> still trying to figure out regex functions.
>
> Thanks,
>
> Dave

Where have you looked to try to find the function descriptions for the
php replace functions?

From php.org, there's a big warning not to use ereg_replace because it's
deprecated in php 5.3. It uses the POSIX regex pattern matching style
to do the string matching and replace.

http://www.php.net/manual/en/function.ereg-replace.php

preg_replace uses the PERL string matching symantics which is slightly
different from POSIX. It's also more robust, but it used to be slower
than the ereg functions but that might not be the case any more.

http://www.php.net/manual/en/function.preg-replace.php

What part of this is confusing you?

--
DeeDee, don't press that button! DeeDee! NO! Dee...
[I filter all Goggle Groups posts, so any reply may be automatically ignored]
Re: Need help with updating ereg_replace function -> to preg_replace [message #180584 is a reply to message #180582] Fri, 01 March 2013 09:17 Go to previous messageGo to next message
Christoph Becker is currently offline  Christoph Becker
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daveh wrote:

> I'm totally confused none of the examples I've googled seem to help with fixing the following line of code:
>
> $myfunc = ereg_replace("0+$", "", $data);
>
> I've tried $myfunc = preg_replace("/0+$/", "/", $data);

You should try the following:

$myfunc = preg_replace('/0+$/', '', $data);

If you have more ereg_*() to replace, you should really learn the
workings of ereg_*() /and/ preg_*() /and/ string literals to be able to
transcribe them; the manual on <http://www.php.net/manual/en/> is a good
lecture. Just googling for some examples probably won't suffice.

--
Christoph M. Becker
Re: Need help with updating ereg_replace function -> to preg_replace [message #180585 is a reply to message #180582] Fri, 01 March 2013 10:24 Go to previous messageGo to next message
daveh is currently offline  daveh
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On Friday, March 1, 2013 8:10:07 AM UTC-5, da...@allheller.net wrote:
> Hello
>
>
>
> I'm totally confused none of the examples I've googled seem to help with fixing the following line of code:
>
>
>
> $myfunc = ereg_replace("0+$", "", $data);
>
>
>
> I've tried $myfunc = preg_replace("/0+$/", "/", $data);
>
>
>
> Please any help would be appreciated as I did not write this code and really still trying to figure out regex functions.
>
>
>
> Thanks,
>
>
>
> Dave

Thanks for all the help. "str_replace" works as a direct drop in replacement for "ereg_replace"
Re: Need help with updating ereg_replace function -> to preg_replace [message #180586 is a reply to message #180585] Fri, 01 March 2013 11:09 Go to previous messageGo to next message
daveh is currently offline  daveh
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On Friday, March 1, 2013 10:24:55 AM UTC-5, da...@allheller.net wrote:
> On Friday, March 1, 2013 8:10:07 AM UTC-5, da...@allheller.net wrote:
>
>> Hello
>
>>
>
>>
>
>>
>
>> I'm totally confused none of the examples I've googled seem to help with fixing the following line of code:
>
>>
>
>>
>
>>
>
>> $myfunc = ereg_replace("0+$", "", $data);
>
>>
>
>>
>
>>
>
>> I've tried $myfunc = preg_replace("/0+$/", "/", $data);
>
>>
>
>>
>
>>
>
>> Please any help would be appreciated as I did not write this code and really still trying to figure out regex functions.
>
>>
>
>>
>
>>
>
>> Thanks,
>
>>
>
>>
>
>>
>
>> Dave
>
>
>
> Thanks for all the help. "str_replace" works as a direct drop in replacement for "ereg_replace"

Actually this is what I did to fix it: $myfunc = str_replace('$+0+$', '', $data); !
Understanding what the code is trying to do makes a big difference. I did not write this code I'm just tasked with fixing it!
Re: Need help with updating ereg_replace function -> to preg_replace [message #180592 is a reply to message #180585] Mon, 04 March 2013 05:39 Go to previous messageGo to next message
Captain Paralytic is currently offline  Captain Paralytic
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On Mar 1, 3:24 pm, da...@allheller.net wrote:
> On Friday, March 1, 2013 8:10:07 AM UTC-5, da...@allheller.net wrote:
>> Hello
>
>> I'm totally confused none of the examples I've googled seem to help with fixing the following line of code:
>
>> $myfunc = ereg_replace("0+$", "", $data);
>
>> I've tried $myfunc = preg_replace("/0+$/", "/", $data);
>
>> Please any help would be appreciated as I did not write this code and really still trying to figure out regex functions.
>
>> Thanks,
>
>> Dave
>
> Thanks for all the help. "str_replace" works as a direct drop in replacement for "ereg_replace"

It is no where near a direct drop replacement. What the ereg above
does is to remove trailing zeros (the $ sign means the end of the
line, it is not a literal $). Your str_replace will not do anything
like that.
Re: Need help with updating ereg_replace function -> to preg_replace [message #180617 is a reply to message #180582] Thu, 07 March 2013 00:53 Go to previous message
Denis McMahon is currently offline  Denis McMahon
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On Fri, 01 Mar 2013 05:10:07 -0800, daveh wrote:

> Hello
>
> I'm totally confused none of the examples I've googled seem to help with
> fixing the following line of code:
>
> $myfunc = ereg_replace("0+$", "", $data);
>
> I've tried $myfunc = preg_replace("/0+$/", "/", $data);

I suspect that the preg_replace() equivalent of the above ereg_replace is
more likely to be:

$myfunc = preg_replace( "/0+$/", "", $data );

--
Denis McMahon, denismfmcmahon(at)gmail(dot)com
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