How can I determine the number of times two distinct patterns occur in a given string? Specifically, I need to identify instances of fly or flies. While I have managed to find occurrences of one pattern, I'm unsure how to search for both.
Here's what I've attempted:
const flyCount = str => {
return (str.match(/fly/g) || str.match(/flies/g) || []).length;
}
Note: Utilize \b (word boundary) to locate exact words. If the words can be part of other words, eliminate the \b.
const flyCount = str =>
(str.match(/\b(?:fly|flies)\b/g) || []).length;
const result = flyCount('Look how he flies. He can fly');
console.log(result);const flyCount = str =>
(str.match(/\bfly\b/g) || []).length + (str.match(/\bflies\b/g) || []).length;
const result = flyCount('Look how he flies. He can fly');
console.log(result);To accomplish this task, utilize the | regex operator along with the inclusion of the \b word boundary for precision.
const countFlies = sentence => (sentence.match(/\b(?:fly|flies)\b/g) || []).length
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