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match,map,join solution in Clear category for Conversion from CamelCase by Sim0000
import assert from "assert";
function fromCamelCase(name: string): string {
return name.match(/[A-Z][a-z0-9]*/g).map(x => x.toLowerCase()).join('_');
}
console.log('Example:');
console.log(fromCamelCase('MyFunctionName'));
// These "asserts" are used for self-checking
assert.equal(fromCamelCase('MyFunctionName'), 'my_function_name');
assert.equal(fromCamelCase('IPhone'), 'i_phone');
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May 28, 2020
