javascript count occurrences of letter in string
function count(str, find) {
return (str.split(find)).length - 1;
}
count("Good", "o"); // 2
javascript count occurrences of letter in string
function count(str, find) {
return (str.split(find)).length - 1;
}
count("Good", "o"); // 2
javascript count number of times character appears in string
You could remove any other character in the string and check the length:
str.replace(/[^aA]/g, "").length
Here it is counted how many as are in str. The RegExp is described below:
[ // Start Character Group
^ // Not operator in character group
a // The character "a"
] // End character group
//The g (global) in the regular expression tells the program to search
//the whole string rather than just finding the first occurrence.
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