Question

How to get the first line of a multi-line string in TypeScript

Answer 1

const multiLineString: string = 
        "First line\n" +
        "Second line\n" +
        "Third line\n" +
        "Fourth line\n" + 
        "Fifth line";
         
const firstLine: string = multiLineString.substring(0, multiLineString.indexOf("\n"));
         
console.log("The first line is: " + firstLine);
 
 
  
/*
run
 
"The first line is: First line" 
  
*/

 

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