AI代码解释 importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassRegexReplaceExample{publicstaticvoidmain(String[]args){String testString="This is a test string with numbers: 123, 456, 789";String regex="\\d+";// 匹配一个或多个数字String replacement="NUM";Pattern pattern=Patt...
import java.util.regex.Pattern; import java.util.regex.Matcher; public class RegexReplaceExample { public static void main(String[] args) { String testString = "This is a test string with numbers: 123, 456, 789"; String regex = "\\d+";//匹配一个或多个数字 String replacement = "NUM"...
import java.util.regex.Pattern; import java.util.regex.Matcher; public class RegexReplaceExample { public static void main(String[] args) { String testString = "This is a test string with numbers: 123, 456, 789"; String regex = "\\d+"; // 匹配一个或多个数字 String replacement = "N...
publicclassRegexReplaceExample{publicstaticvoidmain(String[]args){Stringinput="Hello 123 World 456";Stringoutput=input.replaceAll("\\d","");System.out.println(output);}} 1. 2. 3. 4. 5. 6. 7. 在上面的代码中,我们使用\\d来匹配所有的数字字符,然后将其替换成空字符串。运行上面的代码,输出...
publicclassReplaceExample{publicstaticvoidmain(String[]args){Stringregex="\\s";// 匹配所有的空格Stringinput="This is a test";Stringresult=input.replaceAll(regex,"_");// 将空格替换为下划线System.out.println(result);// 输出: This_is_a_test}} ...
importjava.util.regex.*;classRegexExample1{publicstaticvoidmain(Stringargs[]){Stringcontent="I am noob"+"from runoob.com.";Stringpattern=".*runoob.*";booleanisMatch=Pattern.matches(pattern,content);System.out.println("字符串中是否包含了 'runoob' 子字符串?"+isMatch);}} ...
在Java中使用正则表达式替换和修改字符串可以通过以下步骤实现: 1. 导入Java的正则表达式包:import java.util.regex.*; 2. 创建一个正则表达式模式对象:Patte...
REGEXP_REPLACE 系统会将pattern和replacement的字符串解析成正则表达式,正则表达式使用JavaPattern 进行处理,因此pattern和replacement的字符串需遵从JavaRegex语法。示例 测试数据 表 1.T1 str1(VARCHAR)pattern1(VARCHAR)replace1(VARCHAR)2014-03... 模式匹配 ...
查看regex演示或Java演示 For example String regex = "\\bhemp\\.EMPLOYEE_NAME\\h*=\\h*'\\w+'\\h+(?:and|or)\\b"; String string = "cond = emp.EMAIL_ID = 'xx@xx.com' AND\n" + "emp.PERMANENT_ADDR LIKE('%98n%') \n" ...
The String.replaceAll(regex, replacement) in Java replaces all occurrences of a substring matching the specified regular expression with the replacement string. A similar method replace(substring, replacement) is used for matching the literal strings, while replaceAll() matches the regex. Note that ...