String.replace()方法是最基本的字符串替换方式,适合简单的占位符替换。 示例代码: publicclassStringReplacement{publicstaticvoidmain(String[]args){Stringtemplate="Hello, {name}!";Stringname="World";Stringresult=template.replace("{name}",name);System.out.println(result);// 输出: Hello, World!}} 1....
replace(CharSequence target, CharSequence replacement): 替换字符串中所有出现的指定字符序列。 replaceAll(String regex, String replacement): 替换字符串中所有匹配正则表达式的部分。 1.1 replace() 方法 replace()方法用于简单的字符替换,实际上是将目标字符序列替换为另一个字符序列。例如,如果我们有一个字符串,...
(8)、reverse() 颠倒StringBuffer对象中的字符 StringBuffer reverse() (9)、delete()和deleteCharAt() 删除字符 StringBuffer delete(int startIndex,int endIndex) StringBuffer deleteCharAt(int loc) (10)、replace() 替换 StringBuffer replace(int startIndex,int endIndex,String str) (11)、substring() 截...
Returns a string resulting from replacing all occurrences of oldChar in this string with newChar. Replace(String, String) Replaces each substring of this string that matches the literal target sequence with the specified literal replacement sequence.Replace...
1. Java String replace() Overview In tutorial, We'll learn about Java String replace() method and explanation with examples. replace() method is used to replace a character with another character in a String and this method returns a new string after replacing characters. In previous tutorial...
Java String replaceAll Method: The replaceAll() method replaces each substring of this string that matches the given regular expression with the given replacement.
String toLowerCsae() 小转大 7.2:将字符串两端的多个空格去除 String trim(); 7.3:对两个字符串进行自然顺序的比较 int compareTo(string); 请看如下代码,下面的代码都是针对上面string七种用法而进行一一举例说明: class StringMethodDemo { public static void method_Zhuanhuan_Qukong_Bijiao() ...
Replaces the first substring of this string that matches the given regular expression with the given replacement. An invocation of this method of the form str.replaceFirst(regex,repl) yields exactly the same result as the expression <blockquote> {@link java.util.regex.Pattern}.{@link java.util...
The replaceFirst() method replaces the first match of a regular expression in a string with a new substring.Replacement strings may contain a backreference in the form $n where n is the index of a group in the pattern. In the returned string, instances of $n will be replaced with the ...
Replaces each substring of this string that matches the given regular expression with the given replacement. An invocation of this method of the form str.replaceAll(regex,repl) yields exactly the same result as the expression <blockquote> {@link java.util.regex.Pattern}.{@link java.util.regex...