The Pythonlen()is used to get the total number of characters present in the string and check if the length of the string is 0 to identify the string is empty. Actually, thelen()function returns the length of an
Check if a String is Empty or Whitespace in Python Using the Equality Operator To check if a string is empty using the equality operator, we can just compare the string with another empty string. If the result is True, the input string is empty. Otherwise not. input_string="" print("Th...
Python Program to Check a String and Number is Palindrome Or Not $emptyString = ""; if ($emptyString =~ /^\s*$/) { print "String is empty and length is zero\n"; } #Conclusion In summary, various approaches are utilized: Length Function: The length function is easy to use and ...
In Python, a string can often be converted into an integer or a float. However, checking if a string can be interpreted as a valid float requires specific approaches. In this chapter, we will explore multiple methods to verify if a string is a float in Python....
2. Use float() to Check String is a Floating Point Number Thefloat()function can be used to check if a string is a floating-point number in Python, actually, this method converts a string to a floating-point number however, we can use this to check string contains a float value. ...
// Scala program to check whether// a string is empty or notobjectSample{defmain(args:Array[String]){valstr1=newStringBuilder("This is india");valstr2=newStringBuilder("");if(str1.isEmpty)println("string 'str1' is empty");elseprintln("string 'str1' is not empty");if(str2.isEmpty...
A palindrome is a string that is the same read forward or backward. For example, "dad" is the same in forward or reverse direction. Another example is "aibohphobia", which literally means, an irritable fear of palindromes. Source Code # Program to check if a string is palindrome or not...
size() == 0; } int main() { string string1("This is a non-empty string"); string string2; checkEmptyString(string1) ? cout << "[ERROR] string is empty!" << endl : cout << "string value: " << string1 << endl; checkEmptyString(string2) ? cout << "[ERROR] string is ...
Check In StringTo check if a certain phrase or character is present in a string, we can use the keywords in or not in.ExampleGet your own Python Server Check if the phrase "ain" is present in the following text: txt = "The rain in Spain stays mainly in the plain"x = "ain" in ...
We can also usestring find() functionto check if string contains a substring or not. This function returns the first index position where substring is found, else returns -1. str1='I love Python Programming'str2='Python'str3='Java'index=str1.find(str2)ifindex!=-1:print(f'"{str1}"...