Multiplatform Kotlin library to convert strings between various case formats

Supported Case Formats

• SCREAMING_SNAKE_CASE
• snake_case
• PascalCase
• camelCase
• TRAIN-CASE
• kebab-case
• UPPER SPACE CASE
• Title Case
• Sentence case
• lower space case
• UPPER.DOT.CASE
• dot.case
• custom one :)

Setup

1. Add the lib to your project's dependencies:

2. Groovy (replace $kasechange_version with the version you want):

   // universal dependency for Gradle 5.3 and above
   // in case of multiplatform project, just specify the dependency for commonMain/commonTest source set
   implementation "net.pearx.kasechange:kasechange:$kasechange_version"
   

   // for Gradle versions below 5.3:
   implementation "net.pearx.kasechange:kasechange-metadata:$kasechange_version" // for Common
   // or
   implementation "net.pearx.kasechange:kasechange-jvm:$kasechange_version" // for JVM
   // or
   implementation "net.pearx.kasechange:kasechange-js:$kasechange_version" // for JS
   // or
   implementation "net.pearx.kasechange:kasechange-android:$kasechange_version" // for Android
   // or
   implementation "net.pearx.kasechange:kasechange-PLATFORM_YOU_WANT:$kasechange_version" // for Native
   

3. Kotlin (replace $kasechangeVersion with the version you want):

   // universal dependency for Gradle 5.3 and above
   // in case of multiplatform project, just specify the dependency for commonMain/commonTest source set
   implementation("net.pearx.kasechange:kasechange:$kasechangeVersion")
   

   // for Gradle versions below 5.3:
   implementation("net.pearx.kasechange:kasechange-metadata:$kasechangeVersion") // for Common
   // or
   implementation("net.pearx.kasechange:kasechange-jvm:$kasechangeVersion") // for JVM
   // or
   implementation("net.pearx.kasechange:kasechange-js:$kasechangeVersion") // for JS
   // or
   implementation("net.pearx.kasechange:kasechange-android:$kasechangeVersion") // for Android
   // or
   implementation("net.pearx.kasechange:kasechange-PLATFORM_YOU_WAN:$kasechangeVersion") // for Native
   

4. Use the library and have fun!

   Examples:

   • Transforming string from any case to specific one:

     "IAmAPascalCasedString123".toSnakeCase() // i_am_a_pascal_cased_string_123
     "IAmAPascalCasedString123".toCase(CaseFormat.LOWER_UNDERSCORE)  // i_am_a_pascal_cased_string_123
     "IAmAPascalCasedString123".toCase(to = CaseFormat.LOWER_UNDERSCORE, from = universalWordSplitter())  // i_am_a_pascal_cased_string_123
     "IAmAPascalCasedString123".toSnakeCase(universalWordSplitter())  // i_am_a_pascal_cased_string_123
     "IAmAPascalCasedString123".toCase(to = CaseFormat.LOWER_UNDERSCORE, from = universalWordSplitter(treatDigitsAsUppercase = false))  // i_am_a_pascal_cased_string123
     "IAmAPascalCasedString123".toSnakeCase(universalWordSplitter(treatDigitsAsUppercase = false))  // i_am_a_pascal_cased_string123
     

   • Transforming string from one case to another:

     "123e4567-e89b-12d3-a456-426655440000".toSnakeCase(CaseFormat.LOWER_HYPHEN) // 123e4567_e89b_12d3_a456_426655440000
     "123e4567-e89b-12d3-a456-426655440000".toCase(to = CaseFormat.LOWER_UNDERSCORE, from = CaseFormat.LOWER_HYPHEN)  // 123e4567_e89b_12d3_a456_426655440000
     

5. Transforming string to a custom case:

   "some_string".toCase(CaseFormatterConfig(false, "..", wordCapitalize = true, firstWordCapitalize = true)) // Some..String
   

   • Splitting a string in any case into words:

     "XMLExtendedParser".splitToWords() // [XML, Extended, Parser]
     "XMLExtendedParser2".splitToWords(universalWordSplitter(treatDigitsAsUppercase = true)) // [XML, Extended, Parser, 2]
     "XMLExtendedParser2".splitToWords(universalWordSplitter(treatDigitsAsUppercase = false)) // [XML, Extended, Parser2]
     

   • Splitting a string in specific case into words:

     "s0meth1ng_in_snake_case".splitToWords(CaseFormat.LOWER_UNDERSCORE) // [s0meth1ng, in, snake, case]