substring javascript
var str = "Hello world!";
var res = str.substring(1, 4); //ellsubstring javascript
var str = "Hello world!";
var res = str.substring(1, 4); //ellsubstring
const str = 'Mozilla';
console.log(str.substring(1, 3));
// expected output: "oz"
console.log(str.substring(2));
// expected output: "zilla"str.substring if 2 letters
public String firstTwo(String str) {
return str.length() < 2 ? str : str.substring(0, 2);
}substring
var str = "The MEAN stack is MongoDB, Express.js, AngularJS, and Node.js";
str.indexOf('MongoDB') !== -1 // true
str.indexOf('Java') !== -1 //false
str.indexOf('Node', 5) !== -1 //trueSubstring
/*Delimiter variables, first and second position*/
DECLARE @dfp AS CHAR(1);
DECLARE @dsp AS CHAR(1);
DECLARE @text VARCHAR(MAX);
SET @dfp = ';';
SET @dsp = '@';
SET @text = 'I want you to ;Extract this@ substring for me please.';
SELECT SUBSTRING(@text, (CHARINDEX(@dfp, @text) + 1), (CHARINDEX(@dsp, @text) - 2) - CHARINDEX(@dfp, @text) + Len(@dsp))Copyright © 2021 Codeinu
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