Ruby Strings How-Tos

The following is a list of tutorials covering how-to topics on Strings category in Ruby language. Each tutorial covers the answer for the how-to question, and a set of working examples to demonstrate the solution.

  1. How to Create an Empty String in Ruby ?
  2. How to get Length of String in Ruby ?
  3. How to get Character at Specific Index in String in Ruby ?
  4. How to get First Character in String in Ruby ?
  5. How to get Last Character in String in Ruby ?
  6. How to get First N Characters in String in Ruby ?
  7. How to get Last N Characters in String in Ruby ?
  8. How to get Substring after Specific Character in Ruby ?
  9. How to get Substring before Specific Character in Ruby ?
  10. How to get Substring between two Specific Characters in Ruby ?
  11. How to get Substring from Specific Index to End in Ruby ?
  12. How to Iterate over Characters in String in Ruby ?
  13. How to Iterate over Words in String in Ruby ?
  14. How to Check if String is Empty in Ruby ?
  15. How to Check if String contains only Alphabets in Ruby ?
  16. How to Check if String contains only Alphabets and Numbers in Ruby ?
  17. How to Check if String contains only Numeric Digits in Ruby ?
  18. How to Check if a String contains given Substring in Ruby ?
  19. How to Check if String contains specific Character in Ruby ?
  20. How to Check if String starts with Specific Prefix in Ruby ?
  21. How to Check if String ends with Specific Suffix in Ruby ?
  22. How to Append a String to another String in Ruby ?
  23. How to Append a Character to beginning of a String in Ruby ?
  24. How to Append a Character to end of a String in Ruby ?
  25. How to Concatenate Two Strings in Ruby ?
  26. How to Repeat a String N Times in Ruby ?
  27. How to Insert Character at Specific Index in String in Ruby ?
  28. How to Replace a Substring in String in Ruby ?
  29. How to Replace multiple Spaces with a Single Space in String in Ruby ?
  30. How to Replace Character at Specific Index in String in Ruby ?
  31. How to Replace All Occurrences of a Substring in a String in Ruby ?
  32. How to Replace a Substring in a String using Regular Expression in Ruby ?
  33. How to Split a String in Ruby ?
  34. How to Split a String by New Line in Ruby ?
  35. How to Split a String by Comma in Ruby ?
  36. How to Sort Characters in String in Ruby ?
  37. How to convert String to Lowercase in Ruby ?
  38. How to convert String to Uppercase in Ruby ?
  39. How to Trim a String in Ruby ?
  40. How to convert First Character in String to Uppercase in Ruby ?
  41. How to Reverse a String in Ruby ?
  42. How to Remove Character at specific Index in a String in Ruby ?
  43. How to Remove First Character in a String in Ruby ?
  44. How to Remove Last Character in a String in Ruby ?
  45. How to Remove first N Characters in a String in Ruby ?
  46. How to Remove last N Characters in a String in Ruby ?
  47. How to Remove specific Substring in Ruby ?
  48. How to Remove specific Character from a String in Ruby ?
  49. How to Remove All Whitespace Characters from a String in Ruby ?
  50. How to Remove Special Characters from a String in Ruby ?
  51. How to keep only Alphabets in a String in Ruby ?
  52. How to Convert Integer to String in Ruby ?
  53. How to Convert String to Integer in Ruby ?
  54. How to convert String to Float in Ruby ?
  55. How to convert Float to String in Ruby ?
  56. How to check if Two Strings are Equal in Ruby ?
  57. How to check if Two Strings are Equal ignoring case in Ruby ?
  58. How to Compare Two Strings in Ruby ?
  59. How to find the Characters in the First String that are not Present in the Second String in Ruby ?
  60. How to find the Index of Substring in Ruby ?
  61. How to find the Index of Last Occurrence of Substring in Ruby ?
  62. How to find the Indices of All Occurrences of Substring in Ruby ?
  63. How to get all the possible Substrings of a String in Ruby ?
  64. How to get all the possible K length Substrings in a String in Ruby ?
  65. How to in Ruby ?