回答編集履歴
1
add
test
CHANGED
|
@@ -17,3 +17,95 @@
|
|
|
17
17
|
}, $text);
|
|
18
18
|
|
|
19
19
|
```
|
|
20
|
+
|
|
21
|
+
|
|
22
|
+
|
|
23
|
+
---
|
|
24
|
+
|
|
25
|
+
|
|
26
|
+
|
|
27
|
+
yuba さんの回答にコメントで突っ込んだのですが、次のように戻り読み言明 `(?<! ... )`と、独占的量指定子 `++` でもいけそうです。
|
|
28
|
+
|
|
29
|
+
|
|
30
|
+
|
|
31
|
+
```php
|
|
32
|
+
|
|
33
|
+
$text = preg_replace('/http:\S++(?<!\.jpg)/', '<a href="$0">$0</a>', $text);
|
|
34
|
+
|
|
35
|
+
$text = preg_replace('/http:\S+\.jpg/', '<img src="$0">', $text);
|
|
36
|
+
|
|
37
|
+
```
|
|
38
|
+
|
|
39
|
+
|
|
40
|
+
|
|
41
|
+
---
|
|
42
|
+
|
|
43
|
+
|
|
44
|
+
|
|
45
|
+
あと、瑣末なことですが、jpg だけの置換で
|
|
46
|
+
|
|
47
|
+
|
|
48
|
+
|
|
49
|
+
```php
|
|
50
|
+
|
|
51
|
+
$text = 'http://hoge.com/data/img/test.jpg
|
|
52
|
+
|
|
53
|
+
http://hoge.com/data/img/test.jpghoge
|
|
54
|
+
|
|
55
|
+
http://hoge.com/data/img/test.jpg';
|
|
56
|
+
|
|
57
|
+
|
|
58
|
+
|
|
59
|
+
$text = preg_replace('/http:\S+\.jpg/', '<img src="$0">', $text);
|
|
60
|
+
|
|
61
|
+
|
|
62
|
+
|
|
63
|
+
echo $text;
|
|
64
|
+
|
|
65
|
+
/*
|
|
66
|
+
|
|
67
|
+
<img src="http://hoge.com/data/img/test.jpg">
|
|
68
|
+
|
|
69
|
+
<img src="http://hoge.com/data/img/test.jpg">hoge
|
|
70
|
+
|
|
71
|
+
<img src="http://hoge.com/data/img/test.jpg">
|
|
72
|
+
|
|
73
|
+
*/
|
|
74
|
+
|
|
75
|
+
```
|
|
76
|
+
|
|
77
|
+
|
|
78
|
+
|
|
79
|
+
などと `.jpghoge` みたいなのにも引っかかるので、次のように先読み言明をした方が良いかも。
|
|
80
|
+
|
|
81
|
+
|
|
82
|
+
|
|
83
|
+
```php
|
|
84
|
+
|
|
85
|
+
$text = 'http://hoge.com/data/img/test.jpg
|
|
86
|
+
|
|
87
|
+
http://hoge.com/data/img/test.jpghoge
|
|
88
|
+
|
|
89
|
+
http://hoge.com/data/img/test.jpg';
|
|
90
|
+
|
|
91
|
+
|
|
92
|
+
|
|
93
|
+
$text = preg_replace('/http:\S+\.jpg(?!\S)/', '<img src="$0">', $text);
|
|
94
|
+
|
|
95
|
+
|
|
96
|
+
|
|
97
|
+
echo $text;
|
|
98
|
+
|
|
99
|
+
/*
|
|
100
|
+
|
|
101
|
+
<img src="http://hoge.com/data/img/test.jpg">
|
|
102
|
+
|
|
103
|
+
http://hoge.com/data/img/test.jpghoge
|
|
104
|
+
|
|
105
|
+
<img src="http://hoge.com/data/img/test.jpg">
|
|
106
|
+
|
|
107
|
+
*/
|
|
108
|
+
|
|
109
|
+
```
|
|
110
|
+
|
|
111
|
+
|