java正则表达式:验证字符串数字

/**
*正则表达式:验证字符串数字
*两种方式：
*1.pattern.matcher(number.trim()).find()
*2.Pattern.matches(numberRegexp,number.trim())
**/
public static boolean matchNumber(String number) {
boolean result = false;
if (number!=null) {
final String numberRegexp = "^([0-9]+)$";
try {
Pattern pattern = Pattern.compile(numberRegexp);
if (pattern.matcher(number.trim()).find()) {
result = true;
}

/*if (Pattern.matches(numberRegexp,number.trim())) {
result = true;
}*/
} catch (Exception e) {
result = false;
}
} else {
result = false;
}
return result;
}