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Method 1: split() the string at the occurrences of the character/pattern and add 1 to the length of the resulting array
Method 2: Create an array from the result of matchAll() and get its length
str = 'All is well and ends well';
char = 'l';
str.split(char).length - 1;
//OR this works too
[...str.matchAll(char)].length
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