Question

how can i put a space between a word where one part is numeric the other is’int? like so:

$string = "this is a 2000px height photo";
$string = preg_replace('???',' //1',$string);
echo $string; //this is a 2000 px height photo

can someone help me? thanks!

Answer 1

$string = preg_replace('/(\d+)([[:alpha:]]+)/', '$1 $2', $string);

• \d+ matches any digit
• [[:alpha:]]+ matches any letter (\w+ is wrong because matches letters and digits: the preg_replace() call splits numbers – e.g. ‘100’ becomes ’10 0′)