javascript count occurrences of letter in string
function count(str, find) {
return (str.split(find)).length - 1;
}
count("Good", "o"); // 2javascript count occurrences of letter in string
function count(str, find) {
return (str.split(find)).length - 1;
}
count("Good", "o"); // 2javascript count words in string
var str = "your long string with many words.";
var wordCount = str.match(/(\w+)/g).length;
alert(wordCount); //6
// \w+ between one and unlimited word characters
// /g greedy - don't stop after the first matchjavascript count occurrences in string
function countOccurences(string, word) {
return string.split(word).length - 1;
}
var text="We went down to the stall, then down to the river.";
var count=countOccurences(text,"down"); // 2js string includes count
/** Function that count occurrences of a substring in a string;
* @param {String} string The string
* @param {String} subString The sub string to search for
* @param {Boolean} [allowOverlapping] Optional. (Default:false)
*
* @author Vitim.us https://gist.github.com/victornpb/7736865
* @see Unit Test https://jsfiddle.net/Victornpb/5axuh96u/
* @see http://stackoverflow.com/questions/4009756/how-to-count-string-occurrence-in-string/7924240#7924240
*/
function occurrences(string, subString, allowOverlapping) {
string += "";
subString += "";
if (subString.length <= 0) return (string.length + 1);
var n = 0,
pos = 0,
step = allowOverlapping ? 1 : subString.length;
while (true) {
pos = string.indexOf(subString, pos);
if (pos >= 0) {
++n;
pos += step;
} else break;
}
return n;
}Copyright © 2021 Codeinu
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