publicclassMain{publicstaticvoidmain(String[]args){Stringstr="Hello, world!";charc='o';if(str.contains(String.valueOf(c))){System.out.println("字符串包含字母 "+c);}else{System.out.println("字符串不包含字母 "+c);}}} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 在上面的...
例如,以下是一個簡單的程式碼範例,此範例會使用 string.Contains() 方法來評估某個字串是否包含另一個字串。 c# 複製 string message = "The quick brown fox jumps over the lazy dog."; bool result = message.Contains("dog"); Console.WriteLine(result); if (message.Contains("fox")) { Console....
How do you check if one string contains a substring in JavaScript?Craig Buckler
Let’s check our first character string my_string1: print(any(c.isalpha()forcinmy_string1))# Check if letters are contained in string# True As you can see, the logical value True has been returned, i.e. our first example string contains alphabetical letters. ...
If the string is not found,containsreturnsfalse: Assert.assertFalse("Hey Ho, let's go".contains("jey"));Copy In the last example, “hey” is not found becauseString.containsis case-sensitive. Assert.assertFalse("Hey Ho, let's go".contains("hey")); ...
${“ STRING ”?lower_case} à 结果为 string 11. upper_case将字符串转为大写 ${“ string ”?upper_case} à 结果为 STRING 12. contains 判断字符中是否包含某个子串。返回布尔值 ${“ string ”?contains(“ing”)? string } 结果为true ...
SQL contains string - In this blog, I will explain how to check a specific word or character in a given statement in SQL Server, using CHARINDEX function or SQL Server and check if the string contains a specific substring with CHARINDEX function. An alternative to CHARINDEX() is using LIKE...
-ccontains區分大小寫的匹配 不相符的-notcontains(不區分大小寫) -inotcontains不符(不區分大小寫) 區分大小寫的-cnotcontains不相符 輸入 除了集合位於右側之外,-in運算符與-contains運算符類似。 PowerShell $array=1..6if(3-in$array) {# do something} ...
Check if String Contains Certain Data in MySQL Table Using SELECT With INSTR() FunctionAnother method to check whether a string occurs in a table involves using the SELECT statement with the INSTR() function. This function is similar to LOCATE() and is employed to determine the position of ...
Check if String Contains Substring in Python By: Rajesh P.S.Verifying the presence of a substring within a string is a frequent and fundamental task in various programming languages. Python provides a diverse array of methods to tackle this task effectively. The most straightforward and efficient ...