How do you check if a substring is present in a string in Scala?

String

1. S.
2. S.
3. S.
4. S.contains(T) returns true if T is a substring of S;
5. S.indexOf(T) returns the index of the first occurrence of the substring T in S (or -1);
6. S.indexOf(T, i) returns the index of the first occurrence after index i of the substring T in S (or -1);

How do you check if a string contains a certain character?

The Java String contains() method is used to check whether the specific set of characters are part of the given string or not. It returns a boolean value true if the specified characters are substring of a given string and returns false otherwise. It can be directly used inside the if statement.

How use contains method in C#?

C# String Contains() method Example

1. using System;
2. public class StringExample.
3. {
4. public static void Main(string[] args)
5. {
6. string s1 = “Hello “;
7. string s2 = “He”;
8. string s3 = “Hi”;

How do you find if a string contains a substring in C?

Check if String Contains Substring in C

1. Use the strstr Function to Check if a String Contains a Substring in C.
2. Use the strcasestr Function to Check if a String Contains a Substring.
3. Use the strncpy Function to Copy a Substring.

What are strings in Scala?

In Scala, as in Java, a string is a sequence of characters. In Scala, objects of String are immutable which means a constant and cannot be changed once created. In the rest of this section, we discuss the important methods of java. lang. String class.

How do you check if a string contains a substring in C#?

To check if a string str contains specified substring value , or say if specified substring is present in the string, use C# String. Contains(String) method. Call Contains() method on the string str and pass the substring value as argument. Contains() method returns True if string str contains the substring value .

What is contain in C#?

Contains() is a string method. This method is used to check whether the substring occurs within a given string or not. Syntax: public bool Contains(string str) Parameter: str: It is the string which is to be checked.

How does contains work in C#?

The C# Contains() method is used to return a value indicating whether the specified substring occurs within this string or not. If the specified substring is found in this string, it returns true otherwise false.

How do you find if a string contains a substring in C#?

What is Scala method?

Scala has both functions and methods and we use the terms method and function interchangeably with a minor difference. A Scala method is a part of a class which has a name, a signature, optionally some annotations, and some bytecode where as a function in Scala is a complete object which can be assigned to a variable.

What is Scala symbol?

Scala has what are called symbolic literals. A symbol is very similar to a String except that they are cached. So symbol ‘hi will be the same object as ‘hi declared a second time. In addition there is special syntax for creating symbols that requires only a single quote.

What is Scala API?

The Scala API is somewhat similar to the Java API. It uses a frame on the left to display package names; clicking on a package name brings up a display of that package in the frame on the right. The and icons indicate whether the item is an object or a class (or both); indicates a trait.