How do you check if a string contains only digits in Ruby
Ruby
🤖 Code Explanation
check_string("a12345") # => String contains non-digits
More problems solved in Ruby
How do you check if a string contains only digits
How do you design a vending machine
How do you swap two numbers without using the third variable
How do you perform a binary search in a given array
write a function to calculate the factorial of a number
How do you count the number of vowels and consonants in a given string
find duplicate numbers in an array if it contains multiple duplicates
How to check if the given number is a prime number
Write a function to sort an array of integers in ascending order
how to convert a binary number to decimal
How do you count the occurrence of a given character in a string
How do you implement a postorder traversal algorithm
Create a session with a unique id and add it to cookies
how to convert a binary number to decimal
How do you reverse words in a given sentence without using any library method
Create a session with a unique id
How do you print the first non-repeated character from a string
How do you find duplicate characters in a given string
How do you check if two rectangles overlap with each other