fix: dont match linebreaks (#214)

* fix: dont match linebreaks

* Update __tests__/index.test.jsx

Co-authored-by: Jon Ursenbach <erunion@users.noreply.github.com>

Author: kellyjosephprice

__tests__/index.test.jsx

@@ -224,4 +224,10 @@ describe('VARIABLE_REGEXP', () => {
   it('should match against colons with non-english characters', () => {
     expect('<<glossary:ラベル>>').toMatch(new RegExp(VARIABLE_REGEXP));
   });
+
+  it('should NOT match against newlines', () => {
+    expect('<<what the\nfuck>>').not.toMatch(new RegExp(VARIABLE_REGEXP));
+    expect('<<what the\rfuck>>').not.toMatch(new RegExp(VARIABLE_REGEXP));
+    expect('<<what the\r\nfuck>>').not.toMatch(new RegExp(VARIABLE_REGEXP));
+  });
 });

index.jsx

@@ -185,6 +185,6 @@ module.exports.Variable = Variable;
 // - \<<apiKey\>> - escaped variables
 // - <<apiKey>> - regular variables
 // - <<glossary:glossary items>> - glossary
-module.exports.VARIABLE_REGEXP = /(?:\\)?<<([-_\p{L}:.\s\d]+)(?:\\)?>>/iu.source;
+module.exports.VARIABLE_REGEXP = /(?:\\)?<<((?:(?![\r\n])[-_\p{L}:.\s\d])+)(?:\\)?>>/iu.source;
 module.exports.VariablesContext = VariablesContext;
 module.exports.SelectedAppContext = SelectedAppContext;