--- /dev/null
+# selector-attribute-operator-space-after
+
+Require a single space or disallow whitespace after operators within attribute selectors.
+
+```css
+[target= _blank]
+/** ↑
+ * The space after operator */
+```
+
+## Options
+
+`string`: `"always"|"never"`
+
+### `"always"`
+
+There *must always* be a single space after the operator.
+
+The following patterns are considered violations:
+
+```css
+[target=_blank] {}
+```
+
+```css
+[target =_blank] {}
+```
+
+```css
+[target='_blank'] {}
+```
+
+```css
+[target="_blank"] {}
+```
+
+```css
+[target ='_blank'] {}
+```
+
+```css
+[target ="_blank"] {}
+```
+
+The following patterns are *not* considered violations:
+
+```css
+[target] {}
+```
+
+```css
+[target= _blank] {}
+```
+
+```css
+[target= '_blank'] {}
+```
+
+```css
+[target= "_blank"] {}
+```
+
+```css
+[target = _blank] {}
+```
+
+```css
+[target = '_blank'] {}
+```
+
+```css
+[target = "_blank"] {}
+```
+
+### `"never"`
+
+There *must never* be a single space after the operator.
+
+The following patterns are considered violations:
+
+```css
+[target= _blank] {}
+```
+
+```css
+[target = _blank] {}
+```
+
+```css
+[target= '_blank'] {}
+```
+
+```css
+[target= "_blank"] {}
+```
+
+```css
+[target = '_blank'] {}
+```
+
+```css
+[target = "_blank"] {}
+```
+
+The following patterns are *not* considered violations:
+
+```css
+[target] {}
+```
+
+```css
+[target=_blank] {}
+```
+
+```css
+[target='_blank'] {}
+```
+
+```css
+[target="_blank"] {}
+```
+
+```css
+[target =_blank] {}
+```
+
+```css
+[target ='_blank'] {}
+```
+
+```css
+[target ="_blank"] {}
+```