diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b3893d9..a7045ce6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [Unreleased, to be released as 11.0.0]
+
+### Added
+
+- Support inline comments
+
 ## [10.0.0](https://github.com/motdotla/dotenv/compare/v9.0.2...v10.0.0) (2021-05-20)
 
 ### Added
diff --git a/lib/main.js b/lib/main.js
index 43711f39..68889ec6 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -30,7 +30,7 @@ function log (message /*: string */) {
 }
 
 const NEWLINE = '\n'
-const RE_INI_KEY_VAL = /^\s*([\w.-]+)\s*=\s*(.*)?\s*$/
+const RE_INI_KEY_VAL = /^\s*([\w.-]+)\s*=\s*("[^"]*"|'[^']*'|[^#]*)?(\s*|\s*#.*)?$/
 const RE_NEWLINES = /\\n/g
 const NEWLINES_MATCH = /\r\n|\n|\r/
 
diff --git a/package-lock.json b/package-lock.json
index 75de5eca..0d16863d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "dotenv",
-  "version": "10.0.0",
+  "version": "11.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 85ff8d71..d08875af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dotenv",
-  "version": "10.0.0",
+  "version": "11.0.0",
   "description": "Loads environment variables from .env file",
   "main": "lib/main.js",
   "exports": {
diff --git a/tests/.env b/tests/.env
index d1e9301e..0fdabc97 100644
--- a/tests/.env
+++ b/tests/.env
@@ -7,10 +7,15 @@ SINGLE_QUOTES='single_quotes'
 SINGLE_QUOTES_SPACED='    single quotes    '
 DOUBLE_QUOTES="double_quotes"
 DOUBLE_QUOTES_SPACED="    double quotes    "
+DOUBLE_QUOTES_INSIDE_SINGLE='double "quotes" work inside single quotes'
+SINGLE_QUOTES_INSIDE_DOUBLE="single 'quotes' work inside double quotes"
 EXPAND_NEWLINES="expand\nnew\nlines"
 DONT_EXPAND_UNQUOTED=dontexpand\nnewlines
 DONT_EXPAND_SQUOTED='dontexpand\nnewlines'
 # COMMENTS=work
+INLINE_COMMENTS=inline comments # work #very #well
+INLINE_COMMENTS_SINGLE_QUOTES='inline comments outside of #singlequotes' # work
+INLINE_COMMENTS_DOUBLE_QUOTES="inline comments outside of #doublequotes" # work
 EQUAL_SIGNS=equals==
 RETAIN_INNER_QUOTES={"foo": "bar"}
 RETAIN_LEADING_DQUOTE="retained
diff --git a/tests/test-parse.js b/tests/test-parse.js
index d042fc97..8642ad0e 100644
--- a/tests/test-parse.js
+++ b/tests/test-parse.js
@@ -9,7 +9,7 @@ const dotenv = require('../lib/main')
 
 const parsed = dotenv.parse(fs.readFileSync('tests/.env', { encoding: 'utf8' }))
 
-t.plan(28)
+t.plan(33)
 
 t.type(parsed, Object, 'should return an object')
 
@@ -27,6 +27,10 @@ t.equal(parsed.DOUBLE_QUOTES, 'double_quotes', 'escapes double quoted values')
 
 t.equal(parsed.DOUBLE_QUOTES_SPACED, '    double quotes    ', 'respects surrounding spaces in double quotes')
 
+t.equal(parsed.DOUBLE_QUOTES_INSIDE_SINGLE, 'double "quotes" work inside single quotes', 'respects double quotes inside single quotes')
+
+t.equal(parsed.SINGLE_QUOTES_INSIDE_DOUBLE, "single 'quotes' work inside double quotes", 'respects single quotes inside double quotes')
+
 t.equal(parsed.EXPAND_NEWLINES, 'expand\nnew\nlines', 'expands newlines but only if double quoted')
 
 t.equal(parsed.DONT_EXPAND_UNQUOTED, 'dontexpand\\nnewlines', 'expands newlines but only if double quoted')
@@ -35,6 +39,12 @@ t.equal(parsed.DONT_EXPAND_SQUOTED, 'dontexpand\\nnewlines', 'expands newlines b
 
 t.notOk(parsed.COMMENTS, 'ignores commented lines')
 
+t.equal(parsed.INLINE_COMMENTS, 'inline comments', 'ignores inline comments')
+
+t.equal(parsed.INLINE_COMMENTS_SINGLE_QUOTES, 'inline comments outside of #singlequotes', 'ignores inline comments, but respects # character inside of single quotes')
+
+t.equal(parsed.INLINE_COMMENTS_DOUBLE_QUOTES, 'inline comments outside of #doublequotes', 'ignores inline comments, but respects # character inside of double quotes')
+
 t.equal(parsed.EQUAL_SIGNS, 'equals==', 'respects equals signs in values')
 
 t.equal(parsed.RETAIN_INNER_QUOTES, '{"foo": "bar"}', 'retains inner quotes')