）public String replaceAll(String findtxt, String replacetxt, String str, &...
String group(int groupIdx)返回某个群组捕获的字符串 String group(String name) 返回命名群组捕获的字符串 String replaceAll(String replacement)replacement中可以包含$n表示对群组的引用,\$表示$字符 String replaceFirst(String replacement) static String quoteReplacement(String s) 预处理替代字符串(\\和$前面添加...
However there are cases where we want to replaceall substrings and ignore the case, or make it case insensitive. String sentence = "The sly brown Fox jumped over the lazy foX."; String result = sentence.replaceAll("fox", "dog"); System.out.println("Input: " + sentence); System.out....
String.split(String regex) 根据正则表达式拆分字符串 String.split(String regex, int limit) 限制字符串分隔的次数(到达分割次数后,将剩下的全部一起算作最后一部分) 替换 String.replaceAll(String regex, String replacement) 替换全部 String.replaceFirst(String regex, String replacement) 替换第一个 6.2、正则...
* replaceAll,忽略大小写 * @param input * @param regex * @param replacement * @return */ public StringBuffer replaceAll2(String input,String regex,String replacement){ Pattern p = Pattern.compile(regex,Pattern.CASE_INSENSITIVE); Matcher m = p.matcher(input); ...
* replaceAll,忽略大小写 * @param input * @param regex * @param replacement * @return */ public StringBuffer replaceAll2(String input,String regex,String replacement){ Pattern p = Pattern.compile(regex,Pattern.CASE_INSENSITIVE); Matcher m = p.matcher(input); ...
public class CaseInsensitiveReplaceAllExample { public static void main(String[] args) { String input = "Hello World, Welcome to the World of Java"; String regex = "world"; String replacement = "earth"; String result = input.replaceAll(regex, replacement, Pattern.CASE_INSENSITIVE); ...
String str="ceponline@yahoo.com.cn"; Pattern pattern = Pattern.compile("[\\w\\.\\-]+@([\\w\\-]+\\.)+[\\w\\-]+", Pattern.CASE_INSENSITIVE); Matcher matcher = pattern.matcher(str); System.out.println(matcher.matches()); ...
static Comparator<String>CASE_INSENSITIVE_ORDER 由compareToIgnoreCase订购String对象的比较 compareToIgnoreCase。 构造方法摘要 构造方法 构造器描述 String() 初始化新创建的 String对象,使其表示空字符序列。 String(byte[] bytes) 通过使用平台的默认字符集解码指定的字节数组构造新的 String。 String(...
/**Cache the hash code for the string*/ privateinthash;//Default to 0 public static final Comparator CASE_INSENSITIVE_ORDER = new CaseInsensitiveComparator(); 可以看到,value[]是存储String的内容的,即当使用String str = "abc";的时候,本质上,"abc"是存储在一个char类型的数组中的。