String path = "localhost:8080";
String details = "<p><img src="/upload/5a52da4dN0a6d04b9.jpg!q701.jpg""></p>"
StringBuilder sb = new StringBuilder(details);
Pattern pattern = Pattern.compile("<img src=\"");
Matcher findMatcher = pattern.matcher(sb);
while(findMatcher.find()) { //如果检索到则为true
int i = findMatcher.start(); // i <img src=\" 每次检索到的下标
}
获取字符串中指定字符串出现的所有位置
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转载自blog.csdn.net/weixin_41690497/article/details/82757393
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