Converts String to lowerCamelCase, UpperCamelCase and snake_case.

let input = "Keynote Event"

input.lowerCamelCased() // "keynoteEvent"
input.upperCamelCased() // "KeynoteEvent"
input.snakeCased()      // "keynote_event"

let input = "_this is*  not-Very%difficult"

input.lowerCamelCased() // "thisIsNotVeryDifficult"
input.upperCamelCased() // "ThisIsNotVeryDifficult"
input.snakeCased()      // "this_is_not_very_difficult"

"KeynoteEvent".isLowerCamelCased    // false
"keynoteEvent".isLowerCamelCased    // true
"keynote_event".isLowerCamelCased   // false

"KeynoteEvent".isUpperCamelCased    // true
"keynoteEvent".isUpperCamelCased    // false
"keynote_event".isUpperCamelCased   // false

"KeynoteEvent".isSnakeCase          // false
"keynoteEvent".isSnakeCase          // false
"keynote_event".isSnakeCase         // true

• Devran "Cosmo" Uenal
• Twitter: @maccosmo
• LinkedIn: devranuenal

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StringCase is released under the MIT License.