fork download
copy 
  1. <?php
  2.  
  3. $inputs = array(
  4.     '2', // no match
  5.     '29.2', // no match
  6.     '2.48',
  7.     '8.06.16', // no match
  8.     '-2.41',
  9.     '-.54', // no match
  10.     '4.492', // no match
  11.     '4.194,32',
  12.     '39,299.39',
  13.     '329.382,39',
  14.     '-188.392,49',
  15.     '293.392,193', // no match
  16.     '-.492.183,33', // no match
  17.     '3.492.249,11',
  18.     '29.439.834,13',
  19.     '-392.492.492,43'
  20. );
  21.  
  22. $number_pattern = '-?(?<![\d.,])\d{1,3}(?:[,.]\d{3})*[.,]\d{2}(?![\d.])';
  23.  
  24. foreach($inputs as $input){
  25.     preg_match_all('/'.$number_pattern.'/', $input, $matches);
  26.     print_r($matches);
  27. }
Success #stdin #stdout 0.02s 52432KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Array
(
    [0] => Array
        (
        )

)
Array
(
    [0] => Array
        (
        )

)
Array
(
    [0] => Array
        (
            [0] => 2.48
        )

)
Array
(
    [0] => Array
        (
        )

)
Array
(
    [0] => Array
        (
            [0] => -2.41
        )

)
Array
(
    [0] => Array
        (
        )

)
Array
(
    [0] => Array
        (
        )

)
Array
(
    [0] => Array
        (
            [0] => 4.194,32
        )

)
Array
(
    [0] => Array
        (
            [0] => 39,299.39
        )

)
Array
(
    [0] => Array
        (
            [0] => 329.382,39
        )

)
Array
(
    [0] => Array
        (
            [0] => -188.392,49
        )

)
Array
(
    [0] => Array
        (
        )

)
Array
(
    [0] => Array
        (
        )

)
Array
(
    [0] => Array
        (
            [0] => 3.492.249,11
        )

)
Array
(
    [0] => Array
        (
            [0] => 29.439.834,13
        )

)
Array
(
    [0] => Array
        (
            [0] => -392.492.492,43
        )

)
https://ideone.com/uFAIUH
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!