public static String getImgStr(String htmlStr) {
String imrUrl = "";
if (StringUtil.isNull(htmlStr)) {
return "";
}
Matcher matcher = PATTERN.matcher(htmlStr);
List<String> list = new ArrayList<String>();
while (matcher.find()) {
String group = matcher.group(1);
if (group == null) {
continue;
}
if (group.startsWith("'")) {
list.add(group.substring(1, group.indexOf("'", 1)));
} else if (group.startsWith("\"")) {
list.add(group.substring(1, group.indexOf("\"", 1)));
} else {
list.add(group.split("\\s")[0]);
}
}
for (int i = 0; i < list.size(); i++) {
if (list.size() == 1) {
imrUrl = list.get(i);
} else {
imrUrl = imrUrl + list.get(i) + "$";
}
}
return imrUrl;
}
public static boolean isNumeric(String str) {
if (StringUtil.isNull(str)) {
return false;
}
for (int i = str.length(); --i >= 0; ) {
int chr = str.charAt(i);
if (chr < 48 || chr > 57) return false;
}
return true;
}