php simple string regex replacement

Question

I have this string: "4702819 - 09" (without the quotes) and i want to make a pattern to change it to : "094702819". So basically to remove the space-space completely and to cut what came after it to be at the beginning. So another example would be:

"5502819 - 098" to "0985502819" etc. How do i do that? do i use preg replace?

kba · Accepted Answer · 2011-12-27 10:43:15Z

2

$string = "4702819 - 09";
$pattern = '/(\d+) - (\d+)/i';
$replacement = '$2$1';
print preg_replace($pattern, $replacement, $string);

The above will output 094702819. See the PHP manual on preg_replace() for additional examples.

edited Dec 27, 2011 at 10:43

answered Dec 26, 2011 at 0:54

kba

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1 Comment

Svisstack Over a year ago

@Kristian Antonsen: bad bet;-) if you know what i mean

dimme · Accepted Answer · 2011-12-27 10:47:30Z

0

Another way to do it would be:

$string = "4702819 - 09";
$arr = explode(" - ", $string);
$newString = $arr[1].$arr[0];
echo $newString;

answered Dec 27, 2011 at 10:47

dimme

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