diff --git a/snippets/camel.md b/snippets/camel.md
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+---
+title: camel
+tags: string,regexp,intermediate
+---
+
+Converts a string to camelcase.
+
+Break the string into words and combine them capitalizing the first letter of each word, using a regexp.
+
+```py
+import re
+
+def camel(str):
+  s = re.sub(r"(\s|_|-)+","",
+    re.sub(r"[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+",
+    lambda mo: mo.group(0)[0].upper() + mo.group(0)[1:].lower(),str)
+  )
+  return s[0].lower() + s[1:]
+```
+
+```py
+camel('some_database_field_name'); # 'someDatabaseFieldName'
+camel('Some label that needs to be camelized'); # 'someLabelThatNeedsToBeCamelized'
+camel('some-javascript-property'); # 'someJavascriptProperty'
+camel('some-mixed_string with spaces_underscores-and-hyphens'); # 'someMixedStringWithSpacesUnderscoresAndHyphens'
+```
diff --git a/snippets/kebab.md b/snippets/kebab.md
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+---
+title: kebab
+tags: string,regexp,intermediate
+---
+
+Converts a string to kebab case.
+
+Break the string into words and combine them adding `-` as a separator, using a regexp.
+
+```py
+import re
+
+def kebab(str):
+  return re.sub(r"(\s|_|-)+","-",
+    re.sub(r"[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+",
+    lambda mo: mo.group(0).lower(),str)
+  )
+```
+
+```py
+kebab('camelCase'); # 'camel-case'
+kebab('some text'); # 'some-text'
+kebab('some-mixed_string With spaces_underscores-and-hyphens'); # 'some-mixed-string-with-spaces-underscores-and-hyphens'
+kebab('AllThe-small Things'); # "all-the-small-things"
+```
diff --git a/snippets/snake.md b/snippets/snake.md
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+---
+title: snake
+tags: string,regexp,intermediate
+---
+
+Converts a string to snake case.
+
+Break the string into words and combine them adding `_-_` as a separator, using a regexp.
+
+```py
+import re
+
+def snake(str):
+  return re.sub(r"(\s|_|-)+","-",
+    re.sub(r"[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+",
+    lambda mo: mo.group(0).lower(),str)
+  )
+```
+
+```py
+snake('camelCase'); # 'camel_case'
+snake('some text'); # 'some_text'
+snake('some-mixed_string With spaces_underscores-and-hyphens'); # 'some_mixed_string_with_spaces_underscores_and_hyphens'
+snake('AllThe-small Things'); # "all_the_smal_things"
+```