a2, b1, b2}; 方法一： public static boolean contains(String test) { for (Choice c : Choice.values()) { if (c.name().equals(test)) { return true; } } return false; } 方法二： EnumUtils.isValidEnum(MyEnum.cla
1. 这里用[]来表示一个字符类,包含了我们认为的所有非法字符。 步骤3:使用 Java 代码进行匹配 我们需要使用 Java 的正则表达式 API。下面是具体的代码实现: importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassIllegalCharacterChecker{publicstaticbooleancontainsIllegalCharacters(Stringinput){// ...
该例子中,特定字符的模式是[!@#$],表示匹配出现在方括号中的任意一个字符。使用re.sub方法将匹配到的特定字符替换为空字符串,最后输出结果为:"Hello This is a test string, and it contains special characters like and ." 腾讯云相关产品中,与正则表达式相关的服务有云函数(Serverless Cloud Function)和内容...
Since: 1.4 Related Packages Package Description java.util Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility ...
publicstaticvoid main(String[]args){ if(args.length<2){ System.out.println("Usage:/n"+ "java TestRegularExpression "+ "characterSequence regularExpression+"); System.exit(0); } System.out.println("Input: /"" + args[0] + "/""); ...
(InsertThread.class);privatefinalintBatchSize=250;//一次性插入记录数privateinttableIndex;//表序号privateString tableName;//tablenameprivateintcount;//record count will be insertedprivateString[] innerArr;//array contains field type and namesprivateInsertManager manager;//reference to InsertManager/**...
contains:普通查找(非正则) matches:判断是否完全匹配(正则) split:字符串切割(正则) replace:替换所有匹配的字串(非正则) replaceAll:替换所有匹配的字串(正则) replaceFirst:替换首个匹配的字串(正则) contains 普通查找 java //Returns true if and only if this string contains the specified sequence of char ...
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) ...
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) ...
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) ...