* 2019年11月19日 下午9:12:59*/publicclassFindStringInJavaFile {publicstaticvoidmain(String[] args) {//最外层(...):group(1)//\":匹配字符串开始的双引号,单个\为转义//内层(...)*:前后引号中间的文本,*为括号中的模式重复0-n次//\\\":匹配\"//\\\:匹配\\//\\\n:匹配\n//[^\"]:...
对于 没有 limit 参数的 split函数, 官方解释如下: String[]java.lang.String.split(Stringregex) This method works as if by invoking the two-argumentsplitmethod with the given expression and a limit argument of zero. Trailing empty strings are therefore not included in the resulting array. 也就是...
但是当我使用较大的输入字符串时,会出现此错误 Exception in thread "main" java.lang.StackOverflowError at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168) at java.util.regex.Pattern$Loop.match(Pattern.java:4295) at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227) at java.util...
Alternatively, regex in java can be also used in the following way: import java.util.regex.Pattern;import java.util.regex.MatchResult;import java.util.regex.Matcher;import java.util.regex.PatternSyntaxException;class RegexJava{ public static void main(String args[]){ String email= "info.abhi40@...
; String strIndex = ""; // String regex = "\\d*"; 可以用String 但最终结果只有后...
3、containsMatchIn 用于判断是否包含某个字符,和String的使用方式类似: valcontent="二流小码农"valregex=Regex("农")valregex2=Regex("中")valisContains=regex.containsMatchIn(content)valisContains2=regex2.containsMatchIn(content)println(isContains)println(isContains2) ...
以下是一个示例代码,演示如何在Java中使用正则表达式匹配多个组: 代码语言:java 复制 import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegexExample { public static void main(String[] args) { String input = "Hello, my name is John Doe. I live in New York."; String...
3、containsMatchIn 用于判断是否包含某个字符,和String的使用方式类似: valcontent="二流小码农"valregex=Regex("农")valregex2=Regex("中")valisContains=regex.containsMatchIn(content)valisContains2=regex2.containsMatchIn(content)println(isContains)println(isContains2) ...
例如,Hello world; I am having a problem; using regex;结果是三个字符串Hello worldI am having a problemusing regex但是当我使用较大的输入字符串时,会出现此错误Exception in thread "main" java.lang.StackOverflowErrorat java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)at java.util.regex....
3、containsMatchIn 用于判断是否包含某个字符,和String的使用方式类似: valcontent ="二流小码农"valregex = Regex("农")valregex2 = Regex("中")valisContains = regex.containsMatchIn(content)valisContains2 = regex2.containsMatchIn(content) println(isContains) ...