将字符串中的标点符号过滤掉

@Test
public void test() {
String d = trimPunctuation2("你，好oewefo,21.2!;:、1?dsf");
System.out.println(d);
}

// 将字符串中的标点符号过滤掉
public static String trimPunctuation2(String str) {
String punct[] = { ",", ".", "!", "?", ";", ":", "，", "。", "！", "？",
"；", "：", "、" };
List<String> punctList = Arrays.asList(punct); // 将String数组转List集合
StringBuilder result = new StringBuilder();
for (int i = 0; i < str.length(); i++) {
Character c = str.charAt(i);
if (punctList.contains(c.toString())) {

} else {
result.append(str.charAt(i));
}
}

return result.toString();
}

// 将字符串中的标点符号过滤掉
public static String trimPunctuation(String str) {
StringBuilder result = new StringBuilder();
for (int i = 0; i < str.length(); ++i) {
char punct[] = { ',', '.', '!', '?', ';', ':', '，', '。', '！', '？',
'；', '：', '、' };
boolean need_filter = false;
for (int j = 0; j < punct.length; ++j) {
if (punct[j] == str.charAt(i)) {
need_filter = true;
break;
}
}

if (!need_filter) {
result.append(str.charAt(i));
}
}

return result.toString();
}