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  1. <?php
  2.  
  3. error_reporting(-1);
  4.  
  5. $regexp = '!^htt(p|ps)://([^\s]+){3}$|(^$)!';
  6.  
  7. $correctNumber = array(
  8.     'http://wt_import(filename)',
  9.     'https://1232145',
  10.     'http://eom',
  11.     'https://content-available-to-author-only.html#465723',
  12.     '',
  13. );
  14.  
  15. $wrongNumber = array(
  16.     'http://example com with     many spaces',
  17.     ' https://2...content-available-to-author-only.....contenttml#465723',
  18.     'http, http://, example.com',
  19.     'http://ex',
  20.     'http://',
  21.     'l',
  22.     ' http:// ',
  23.     'https:// ',
  24.     'https:// DF',
  25.     ' ',
  26.     '  ',
  27.     '  ',
  28.     '   ',
  29.     '    ',
  30.     '     ',
  31.     '      ',
  32.     '       ',
  33.     '          ',
  34.     '            ',
  35.     '      sdfsdf      ',
  36.     'sdfsdf      sdfsdf      ',
  37.     'qeqweqw',
  38.     '            ',
  39. );
  40.  
  41. echo "TRUE\n\n";
  42.  
  43. foreach ($correctNumber as $number) {
  44.     if (preg_match($regexp, $number)) {
  45.         echo "[+] \"{$number}\"\n";
  46.     } else {
  47.         echo "[-] \"{$number}\"\n";
  48.     }
  49. }
  50.  
  51. echo "\nFALSE\n\n";
  52.  
  53. foreach ($wrongNumber as $number) {
  54.     if (preg_match($regexp, $number)) {
  55.         echo "[+] \"{$number}\"\n";
  56.     } else {
  57.         echo "[-] \"{$number}\"\n";
  58.     }
  59. }
  60.  
Success #stdin #stdout 0.02s 24144KB
comments (?)
stdin 
Standard input is empty
stdout 
TRUE

[+] "http://wt_import(filename)"
[+] "https://1232145"
[+] "http://eom"
[+] "https://content-available-to-author-only.html#465723"
[+] ""

FALSE

[-] "http://example com with     many spaces"
[-] " https://2...content-available-to-author-only.....contenttml#465723"
[-] "http, http://, example.com"
[-] "http://ex"
[-] "http://"
[-] "l"
[-] " http:// "
[-] "https:// "
[-] "https:// DF"
[-] " "
[-] "  "
[-] "  "
[-] "   "
[-] "    "
[-] "     "
[-] "      "
[-] "       "
[-] "          "
[-] "            "
[-] "      sdfsdf      "
[-] "sdfsdf      sdfsdf      "
[-] "qeqweqw"
[-] "            "
https://ideone.com/Ogt3XN
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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