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27 lines
582 B
Markdown
27 lines
582 B
Markdown
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---
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title: "Find all URLs in a string"
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---
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```c
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static const char *str =
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"<img src=\"HTTPS://FOO.COM/x?b#c=tab1\"/> "
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" <a href=\"http://cesanta.com\">some link</a>";
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static const char *regex = "((https?://)[^\\s/'\"<>]+/?[^\\s'\"<>]*)";
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struct slre_cap caps[2];
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int i, j = 0, str_len = strlen(str);
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while (j < str_len &&
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(i = slre_match(regex, str + j, str_len - j, caps, 2, SLRE_IGNORE_CASE)) > 0) {
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printf("Found URL: [%.*s]\n", caps[0].len, caps[0].ptr);
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j += i;
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}
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```
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Output:
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```
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Found URL: [HTTPS://FOO.COM/x?b#c=tab1]
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Found URL: [http://cesanta.com]
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```
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