diff --git a/README.md b/README.md
index 4707f195..fb6883f7 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Xterm.js is a front-end component written in TypeScript that lets applications b
 ## Features
 
 - **Terminal apps just work**: Xterm.js works with most terminal apps such as `bash`, `vim` and `tmux`, this includes support for curses-based apps and mouse event support.
-- **Perfomant**: Xterm.js is *really* fast, it even includes a GPU-accelerated renderer.
+- **Performant**: Xterm.js is *really* fast, it even includes a GPU-accelerated renderer.
 - **Rich unicode support**: Supports CJK, emojis and IMEs.
 - **Self-contained**: Requires zero dependencies to work.
 - **Accessible**: Screen reader support can be turned on using the `screenReaderMode` option.
diff --git a/src/SelectionManager.ts b/src/SelectionManager.ts
index 0b77d183..fb2caba8 100644
--- a/src/SelectionManager.ts
+++ b/src/SelectionManager.ts
@@ -38,12 +38,6 @@ const DRAG_SCROLL_INTERVAL = 50;
  */
 const ALT_CLICK_MOVE_CURSOR_TIME = 500;
 
-/**
- * A string containing all characters that are considered word separated by the
- * double click to select work logic.
- */
-const WORD_SEPARATORS = ' ()[]{}\'"';
-
 const NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
 const ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
 
@@ -914,7 +908,7 @@ export class SelectionManager implements ISelectionManager {
     if (cell.getWidth() === 0) {
       return false;
     }
-    return WORD_SEPARATORS.indexOf(cell.getChars()) >= 0;
+    return this._terminal.optionsService.options.wordSeparator.indexOf(cell.getChars()) >= 0;
   }
 
   /**
diff --git a/src/common/services/OptionsService.ts b/src/common/services/OptionsService.ts
index 2d2a08f0..ab041488 100644
--- a/src/common/services/OptionsService.ts
+++ b/src/common/services/OptionsService.ts
@@ -46,7 +46,8 @@ export const DEFAULT_OPTIONS: ITerminalOptions = Object.freeze({
   screenKeys: false,
   debug: false,
   cancelEvents: false,
-  useFlowControl: false
+  useFlowControl: false,
+  wordSeparator: ' ()[]{}\'"'
 });
 
 /**
@@ -99,6 +100,7 @@ export class OptionsService implements IOptionsService {
       case 'fontWeight':
       case 'fontWeightBold':
       case 'rendererType':
+      case 'wordSeparator':
         if (!value) {
           value = DEFAULT_OPTIONS[key];
         }
diff --git a/src/common/services/Services.d.ts b/src/common/services/Services.d.ts
index 602671ff..b8276f51 100644
--- a/src/common/services/Services.d.ts
+++ b/src/common/services/Services.d.ts
@@ -56,6 +56,7 @@ export interface IPartialTerminalOptions {
   tabStopWidth?: number;
   theme?: ITheme;
   windowsMode?: boolean;
+  wordSeparator?: string;
 }
 
 export interface ITerminalOptions {
@@ -91,6 +92,7 @@ export interface ITerminalOptions {
   screenKeys: boolean;
   termName: string;
   useFlowControl: boolean;
+  wordSeparator?: string;
 }
 
 export interface ITheme {
diff --git a/src/public/Terminal.ts b/src/public/Terminal.ts
index 0dae4def..4a19db9f 100644
--- a/src/public/Terminal.ts
+++ b/src/public/Terminal.ts
@@ -125,7 +125,7 @@ export class Terminal implements ITerminalApi {
   public writeUtf8(data: Uint8Array): void {
     this._core.writeUtf8(data);
   }
-  public getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold' | 'rendererType' | 'termName'): string;
+  public getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold' | 'rendererType' | 'termName' | 'wordSeparator'): string;
   public getOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'debug' | 'disableStdin' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell'): boolean;
   public getOption(key: 'colors'): string[];
   public getOption(key: 'cols' | 'fontSize' | 'letterSpacing' | 'lineHeight' | 'rows' | 'tabStopWidth' | 'scrollback'): number;
@@ -134,7 +134,7 @@ export class Terminal implements ITerminalApi {
   public getOption(key: any): any {
     return this._core.optionsService.getOption(key);
   }
-  public setOption(key: 'bellSound' | 'fontFamily' | 'termName', value: string): void;
+  public setOption(key: 'bellSound' | 'fontFamily' | 'termName' | 'wordSeparator', value: string): void;
   public setOption(key: 'fontWeight' | 'fontWeightBold', value: 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900'): void;
   public setOption(key: 'bellStyle', value: 'none' | 'visual' | 'sound' | 'both'): void;
   public setOption(key: 'cursorStyle', value: 'block' | 'underline' | 'bar'): void;
diff --git a/typings/xterm.d.ts b/typings/xterm.d.ts
index f435367d..be301884 100644
--- a/typings/xterm.d.ts
+++ b/typings/xterm.d.ts
@@ -177,6 +177,12 @@ declare module 'xterm' {
      *   not whitespace.
      */
     windowsMode?: boolean;
+
+    /**
+     * A string containing all characters that are considered word separated by the
+     * double click to select work logic.
+    */
+    wordSeparator?: string;
   }
 
   /**
@@ -673,7 +679,7 @@ declare module 'xterm' {
      * Retrieves an option's value from the terminal.
      * @param key The option key.
      */
-    getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold'| 'rendererType' | 'termName'): string;
+    getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold'| 'rendererType' | 'termName' | 'wordSeparator'): string;
     /**
      * Retrieves an option's value from the terminal.
      * @param key The option key.
@@ -705,7 +711,7 @@ declare module 'xterm' {
      * @param key The option key.
      * @param value The option value.
      */
-    setOption(key: 'fontFamily' | 'termName' | 'bellSound', value: string): void;
+    setOption(key: 'fontFamily' | 'termName' | 'bellSound' | 'wordSeparator', value: string): void;
     /**
     * Sets an option on the terminal.
     * @param key The option key.