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SP - SLR - Match, RegEx, Map, Concat, Null/Und Catch (?.) solution in Clear category for Split Pairs by Taylor_Page
import assert from "assert";
//const splitPairs = (text: string): string[] => text.match(/(..?)/g)?.map(val => val.length === 2 && val || val.concat("_")) || []
function splitPairs(text: string): string[] {
return text.match(/(..?)/g)?.map(val => val.length === 2 && val || val.concat("_")) || []
}
console.log('Example:');
console.log(splitPairs('abcd'));
// These "asserts" are used for self-checking
assert.deepEqual(splitPairs('abcd'), ['ab', 'cd']);
assert.deepEqual(splitPairs('abc'), ['ab', 'c_']);
assert.deepEqual(splitPairs('abcdf'), ['ab', 'cd', 'f_']);
assert.deepEqual(splitPairs('a'), ['a_']);
assert.deepEqual(splitPairs(''), []);
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April 29, 2020