Add Ruby string manipulation snippets

Author: ACR1209

snippets/ruby/string-manipulation/camelcase-to-snakecase.md

@@ -0,0 +1,15 @@
+---
+title: Transform Camel Case to Snake Case
+description: Converts a Camel Case string to Snake case.
+author: ACR1209
+tags: ruby,string,convert,camel-case,snake-case,utility
+---
+
+```rb
+def camel_to_snake(str)
+    str.gsub(/([A-Z])/, '_\1').downcase
+end
+
+camel_case = "camelCaseToSnakeCase"
+puts camel_to_snake(camel_case) # Output: "camel_case_to_snake_case"
+```

snippets/ruby/string-manipulation/capitalize-words.md

@@ -0,0 +1,15 @@
+---
+title: Capitalize Words
+description: Capitalizes the first letter of each word in a string.
+author: ACR1209
+tags: ruby,string,capitalize,words
+---
+
+```rb
+def capitalize_words(str)
+  str.split.map(&:capitalize).join(' ')
+end
+
+sentence = "ruby is awesome"
+puts capitalize_words(sentence) # Output: "Ruby Is Awesome"
+```

snippets/ruby/string-manipulation/count-word-ocurrences.md

@@ -0,0 +1,18 @@
+---
+title: Count Word Occurrences in String
+description: Counts the occurrences of each word in a given string.
+author: ACR1209
+tags: ruby,string,occurrences,word-count
+---
+
+```rb
+def count_word_occurrences(text)
+    words = text.downcase.scan(/\w+/)
+    occurrences = Hash.new(0)
+    words.each { |word| occurrences[word] += 1 }
+    occurrences
+end
+
+text = "ruby is awesome and Ruby is fun"
+puts count_word_occurrences(text) # Output: {"ruby"=>2, "is"=>2, "awesome"=>1, "and"=>1, "fun"=>1}
+```

snippets/ruby/string-manipulation/remove-punctuation.md

@@ -0,0 +1,15 @@
+---
+title: Remove Punctuation
+description: Removes all punctuation from a given string.
+author: ACR1209
+tags: ruby,string,punctuation,remove
+---
+
+```rb
+def remove_punctuation(str)
+    str.gsub(/[[:punct:]]/, '')
+end
+
+text = "Hello, Ruby! How's it going?"
+puts remove_punctuation(text) # Output: "Hello Ruby Hows it going"
+```

snippets/ruby/string-manipulation/snakecase-to-camelcase.md

@@ -0,0 +1,17 @@
+---
+title: Transform from Snake Case to Camel Case
+description: Converts a Snake Case string to Camel Case.
+author: ACR1209
+tags: ruby,string,convert,snake-case,camel-case,utility
+---
+
+```rb
+def snake_to_camel(str)
+    str.split('_').map.with_index { |word, index| 
+        index == 0 ? word : word.capitalize 
+    }.join
+end
+
+snake_case = "snake_case_to_camel_case"
+puts snake_to_camel(snake_case) # Output: "snakeCaseToCamelCase"
+```

snippets/ruby/string-manipulation/truncate-string.md

@@ -0,0 +1,17 @@
+---
+title: Truncate Strings
+description: Truncates a string to a specified length, optionally adding an ellipsis.
+author: ACR1209
+tags: ruby,string,truncate,utility
+---
+
+```rb
+def truncate_string(max_length, str)
+    return str if str.length <= max_length
+    str[0, max_length - 3] + '...'
+end
+
+long_string = "Ruby is a dynamic, open source programming language."
+puts truncate_string(20, long_string) # Output: "Ruby is a dynamic..."
+puts truncate_string(54, long_string) # Output: "Ruby is a dynamic, open source programming language."
+```