How to use 'regex remove empty lines' - JavaScript

How to use 'regex remove empty lines' in JavaScript

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marko-js/marko

4 function removeInitialEmptyLines(lines) {
5     var i;
6 
7     for (i = 0; i < lines.length; i++) {
8         if (lines[i].trim() !== "") {
9             break;
10         }
11     }
12 
13     if (i !== 0) {
14         lines = lines.slice(i);
15     }
16 
17     return lines;
18 }

kidwm/brackets-editorconfig

130 function sanitizeLine(line) {
131     var regMatch = line.match(pattern.matchPattern);
132     var matches  = (regMatch || [''])[0];
133     var indent   = pattern.getIndent(matches.length);
134 
135     return {
136         replaceWith: new Array(indent + 1).join(pattern.replaceWith),
137         start: 0,
138         end: matches.length
139     };
140 }

4	function removeInitialEmptyLines(lines) {
5	var i;
6
7	for (i = 0; i < lines.length; i++) {
8	if (lines[i].trim() !== "") {
9	break;
10	}
11	}
12
13	if (i !== 0) {
14	lines = lines.slice(i);
15	}
16
17	return lines;
18	}

130	function sanitizeLine(line) {
131	var regMatch = line.match(pattern.matchPattern);
132	var matches = (regMatch \|\| [''])[0];
133	var indent = pattern.getIndent(matches.length);
134
135	return {
136	replaceWith: new Array(indent + 1).join(pattern.replaceWith),
137	start: 0,
138	end: matches.length
139	};
140	}

How to use 'regex remove empty lines' in JavaScript

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