Ruby String: Exercises, Practice, Solution

Ruby String Exercises[18 exercises with solution]

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1. Write a Ruby program to draw a string as bold or italic text.

Sample Output:

<i> Ruby </i>
<b> Ruby </b>

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2. Write a Ruby program to insert a string of length 2 to an another string where the first string will be in the middle of the second string.

Sample Output:

Python
Pythonz
Pyothnxz

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3. Write a Ruby program to lower case, upper case and capitalizes all the words of a given string.

Sample Output:

RUBY EXERCISES!
ruby exercises!
Ruby exercises!

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4. Write a Ruby program to check whether first and the last element are the same of an given array of integers. The array length must be 1 or more.

Sample Output:

Substring present in the string.
Substring not present in the string.

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5. Write a Ruby program to remove all white space within a string.

Sample Output:

  
JavaScript
  

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6. Write a Ruby program to remove last specified characters from a given string.
Sample Output:

JavaScrip
JavaScri
JavaScr
JavaSc
JavaS

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7. Write a Ruby program to split a delimited string and convert it to an array.
Sample Output:

["A", "B", "C", "D", "E", "F"]
["A", "B", "C", "D", "E", "F"]

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8. Write a Ruby program to remove a substring from a specified string.
Sample Output:

Java
CSS

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9. Write a Ruby program to check whether a string starts with an other string.
Sample Output:

true
false

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10. Write a Ruby program to count the occurrences of a specified character in a given string.
Sample Output:

1
2
1

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11. Write a Ruby program to sort a string's characters alphabetically.
Sample Output:

aacijprstv
hnopty
HPP

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12. Write a Ruby program to create a new array with the elements in reverse order from a given an array of integers length 3.
Sample Output:

JvScript
Pthon
PP

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13. Write a Ruby program to trim specific characters from a string.
Sample Output:

JvScript
Pthon
avacript

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14. Write a Ruby program to remove the first and last two characters from a specified string.
Sample Output:

vaScri
th

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15. Write a Ruby program to get a substring from a specified position to the last char of a given string.
Sample Output:

crip
ho
b
PH

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16. Write a Ruby program to get the number of lines in a given string.
Sample Output:

Number of lines of the above string: 6

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17. Write a Ruby program to truncate a given string to the first n words.
Sample Output:

Python is a
Python is a widely used high-level, general-purpose, interpreted,
Python is a widely used high-level, general-purpose, interpreted, dynamic programming language.

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18. Write a Ruby program to remove a character from a given string if it starts with that specified character.
Sample Output:

JavaScript
PHP

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