01.<?php
02.session_cache_limiter('nocache');
03.session_start();
04.
05.?>
06.<!DOCTYPE html>
07.<html lang="ja">
08.<head>
09.<meta content="width=device-width initial-scale=1.0 minimum-scale=1.0 maximum-scale=1.0 user-scalable=no" name="viewport">
10.<meta charset="UTF-8">
11.<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.1/css/bootstrap.css">
12.
13.<style>
14..param {
15. width: 400px;
16.}
17.textarea {
18. width: 50%;
19. height: 200px;
20.}
21.</style>
22.
23.<script>
24.</script>
25.
26.</head>
27.<body>
28.<h1>アンカー取得 正規表現</h1>
29.
30.<div id="main">
31. <form method="post">
32.
33. <p>パターン：<input class="param" type="text" required name="pattern" value="<?= htmlentities($_POST["pattern"]) ?>"></p>
34. <p>文 字 列：<textarea name="text"><?= $_POST["text"] ?></textarea></p>
35. <p><input type="submit" name="send" value="送信"></p>
36.
37. </form>
38.</div>
39.
40.<?php
41.if ( $_SERVER['REQUEST_METHOD'] == "POST" ) {
42.
43. $real_pattern = html_entity_decode($_POST["pattern"]);
44.
45. $re = "/{$real_pattern}/sm";
46. $str = $_POST['text'];
47.
48. preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
49.
50. foreach( $matches as $i => $list ) {
51. foreach( $list as $j => $value ) {
52. $matches[$i][$j] = htmlentities($value);
53. }
54. }
55.
56. print "<pre>";
57. print_r($matches);
58. print "</pre>";
59.
60.}
61.
62.?>
63.
64.
65.</body>
66.</html>
