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OrderAndCh4oS/count-occurrences.ts

Created September 26, 2024 00:27
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Count Occurrences
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count-occurrences.ts
const str = 'onè, twö, three and, ö four. *%#@ four and three!!! 😍 💕, 👍👌\nblah blah blah hyphenated-word thing–endash and an—emdash a/slash some!!thing 10:00am';
const countOccurrences = (str: string) =>
Object.entries<number>(
str
.replace(/[\n\r–—/]+/g, ' ')
.replace(/[^\p{L}\p{N}\p{M}\p{Zs}\p{So}\s-]+/ug, '')
.replace(/\s\s+/g, ' ')
.split(' ')
.reduce((obj: any, word: string) => (
word in obj ? obj[word]++ : obj[word] = 1,
obj
), {})
)
.sort((a, b) => b[1] - a[1])
.map(x => ({ word: x[0], count: x[1] }));
console.log(countOccurrences(str));
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