How to get a part of string after a specified character in JavaScript?
To get a part of a string, string.substring() method is used in javascript. Using this method we can get any part of a string that is before or after a particular character.
str.substring()
This method slices a string from a given start index(including) to end index(excluding). If only one index is provided then the method slice the entire string from the start of the index.
syntax-1
Using this line of code we can get a part of a string after a particular character.
string.substring(string.indexOf(character) + 1);
syntax-2
Using this line of code we can get a part of a string before a particular character.
string.substring(0, string.indexOf(character));
Example
Live Demo
<html>
<body>
<script>
function subStr(string, character, position) {
if(position=='b')
return string.substring(string.indexOf(character) + 1);
else if(position=='a')
return string.substring(0, string.indexOf(character));
else
return string;
}
document.write(subStr('Tutorix & Tutorialspoint','&','a'));
document.write("</br>");
document.write(subStr('Tutorix:a best e-learning platform', ':','b'));
</script>
</body>
</html>Output
Tutorix
a best e-learning platform
Published on 18-Jun-2019 15:24:21
