1_regex-problem.js

var data = `
  OUT: 1111

  OUT:   andy

  OUT:  121  OUT:            1324

  NOTOUT: 1114
  IN: 144`;

var values = [];
var pattern = //;  /* Given the data above, suggest a regular expression to capture the lines containg "OUT: (a number)", also ignoring the lines NOTOUT and IN.. */
values = data.match(pattern);

/* The returned array is: 

values == ["OUT: 1111", "OUT: 121", "OUT: 1324"]

*/

2_regex-solution.js

var data = `
  OUT: 1111

  OUT:   andy

  OUT:  121  OUT:            1324

  NOTOUT: 1114
  IN: 144`;

var values = [];
var pattern = /(\n|\s)OUT:\s+\d{3,4}/g;  /* Given the data above, suggest a regular expression to capture the lines containg "OUT: (a number)", also ignoring the lines NOTOUT and IN.. */
values = data.match(pattern);

/* The returned array is: 

values == [" OUT: 1111", " OUT:  121", " OUT:            1324"]

*/