diff --git a/frontend/src/lib/components/PropertyFilters/PropertyFilter.js b/frontend/src/lib/components/PropertyFilters/PropertyFilter.js
index 723956ff378..30e97274f9d 100644
--- a/frontend/src/lib/components/PropertyFilters/PropertyFilter.js
+++ b/frontend/src/lib/components/PropertyFilters/PropertyFilter.js
@@ -7,7 +7,7 @@ import { SelectGradientOverflow } from 'lib/components/SelectGradientOverflow'
 import { Link } from '../Link'
 import { PropertySelect } from './PropertySelect'
 import { OperatorValueSelect } from 'lib/components/PropertyFilters/OperatorValueSelect'
-import { isOperatorMulti } from 'lib/utils'
+import { isOperatorMulti, isOperatorRegex } from 'lib/utils'
 
 const { TabPane } = Tabs
 
@@ -83,7 +83,11 @@ function PropertyPaneContents({
                     value={value}
                     onChange={(newOperator, newValue) => {
                         setThisFilter(propkey, newValue, newOperator, type)
-                        if (newOperator && newValue && !isOperatorMulti(newOperator)) {
+                        if (
+                            newOperator &&
+                            newValue &&
+                            !(isOperatorMulti(newOperator) || isOperatorRegex(newOperator))
+                        ) {
                             onComplete()
                         }
                     }}
diff --git a/frontend/src/lib/components/PropertyFilters/PropertyValue.js b/frontend/src/lib/components/PropertyFilters/PropertyValue.js
index 22a5027d88a..351956ce453 100644
--- a/frontend/src/lib/components/PropertyFilters/PropertyValue.js
+++ b/frontend/src/lib/components/PropertyFilters/PropertyValue.js
@@ -1,5 +1,6 @@
 import React, { useState, useEffect } from 'react'
-import { Select } from 'antd'
+import { AutoComplete, Select } from 'antd'
+import { useThrottledCallback } from 'use-debounce'
 import api from '../../api'
 import { isMobile, isOperatorFlag, isOperatorMulti, isOperatorRegex, isValidRegex } from 'lib/utils'
 import { SelectGradientOverflow } from 'lib/components/SelectGradientOverflow'
@@ -7,20 +8,20 @@ import { SelectGradientOverflow } from 'lib/components/SelectGradientOverflow'
 export function PropertyValue({
     propertyKey,
     type,
-    endpoint,
-    placeholder,
-    style,
+    endpoint = undefined,
+    placeholder = undefined,
+    style = {},
     bordered = true,
     onSet,
     value,
     operator,
-    outerOptions,
+    outerOptions = undefined,
 }) {
     const [input, setInput] = useState('')
     const [optionsCache, setOptionsCache] = useState({})
     const [options, setOptions] = useState({})
 
-    function loadPropertyValues(newInput) {
+    const loadPropertyValues = useThrottledCallback((newInput) => {
         if (type === 'cohort') {
             return
         }
@@ -44,7 +45,7 @@ export function PropertyValue({
                 }
             )
         }
-    }
+    }, 300)
 
     function setValue(newValue) {
         onSet(newValue)
@@ -62,58 +63,90 @@ export function PropertyValue({
 
     const validationError = getValidationError(operator, value)
 
+    const commonInputProps = {
+        autoFocus: !value && !isMobile(),
+        style: { width: '100%', ...style },
+        value: value || placeholder,
+        loading: optionsCache[input] === 'loading',
+        onSearch: (newInput) => {
+            setInput(newInput)
+            if (!optionsCache[newInput] && !isOperatorFlag(operator)) {
+                loadPropertyValues(newInput)
+            }
+        },
+        ['data-attr']: 'prop-val',
+        dropdownMatchSelectWidth: 350,
+        bordered,
+        placeholder,
+        allowClear: value,
+        onKeyDown: (e) => {
+            if (e.key === 'Escape') {
+                e.target.blur()
+            }
+        },
+    }
+
     return (
         <>
-            <SelectGradientOverflow
-                mode={isOperatorMulti(operator) ? 'multiple' : undefined}
-                showSearch
-                autoFocus={!value && !isMobile()}
-                style={{ width: '100%', ...style }}
-                onChange={(val, payload) => {
-                    if (isOperatorMulti(operator) && payload.length > 0) {
-                        setValue(val)
-                    } else {
-                        setValue(payload?.value ?? null)
-                    }
-                }}
-                value={value || placeholder}
-                loading={optionsCache[input] === 'loading'}
-                onSearch={(newInput) => {
-                    setInput(newInput)
-                    if (!optionsCache[newInput] && !isOperatorFlag(operator)) {
-                        loadPropertyValues(newInput)
-                    }
-                }}
-                data-attr="prop-val"
-                dropdownMatchSelectWidth={350}
-                bordered={bordered}
-                placeholder={placeholder}
-                allowClear={value}
-                onKeyDown={(e) => {
-                    if (e.key === 'Escape') {
-                        e.target.blur()
-                    }
-                }}
-            >
-                {input && (
-                    <Select.Option key={input} value={input} className="ph-no-capture">
-                        Specify: {input}
-                    </Select.Option>
-                )}
-                {displayOptions.map(({ name, id }, index) => (
-                    <Select.Option
-                        key={id || name}
-                        value={id || name}
-                        data-attr={'prop-val-' + index}
-                        className="ph-no-capture"
-                        title={name}
-                    >
-                        {name === true && 'true'}
-                        {name === false && 'false'}
-                        {name}
-                    </Select.Option>
-                ))}
-            </SelectGradientOverflow>
+            {isOperatorRegex(operator) ? (
+                <AutoComplete
+                    {...commonInputProps}
+                    onChange={(val) => {
+                        setValue(val ?? null)
+                    }}
+                >
+                    {input && (
+                        <Select.Option key={input} value={input} className="ph-no-capture">
+                            Specify: {input}
+                        </Select.Option>
+                    )}
+                    {displayOptions.map(({ name, id }, index) => (
+                        <AutoComplete.Option
+                            key={id || name}
+                            value={id || name}
+                            data-attr={'prop-val-' + index}
+                            className="ph-no-capture"
+                            title={name}
+                        >
+                            {name === true && 'true'}
+                            {name === false && 'false'}
+                            {name}
+                        </AutoComplete.Option>
+                    ))}
+                </AutoComplete>
+            ) : (
+                <SelectGradientOverflow
+                    {...commonInputProps}
+                    mode={isOperatorMulti(operator) ? 'multiple' : undefined}
+                    showSearch
+                    onChange={(val, payload) => {
+                        if (isOperatorMulti(operator) && payload.length > 0) {
+                            setValue(val)
+                        } else {
+                            setValue(payload?.value ?? null)
+                        }
+                    }}
+                >
+                    {input && (
+                        <Select.Option key={input} value={input} className="ph-no-capture">
+                            Specify: {input}
+                        </Select.Option>
+                    )}
+                    {displayOptions.map(({ name, id }, index) => (
+                        <Select.Option
+                            key={id || name}
+                            value={id || name}
+                            data-attr={'prop-val-' + index}
+                            className="ph-no-capture"
+                            title={name}
+                        >
+                            {name === true && 'true'}
+                            {name === false && 'false'}
+                            {name}
+                        </Select.Option>
+                    ))}
+                </SelectGradientOverflow>
+            )}
             {validationError && <p className="text-danger">{validationError}</p>}
         </>
     )
diff --git a/package.json b/package.json
index 5f5bc18feb8..5e0817d4a87 100644
--- a/package.json
+++ b/package.json
@@ -87,6 +87,7 @@
         "resize-observer-polyfill": "^1.5.1",
         "rrweb": "^0.9.14",
         "sass": "^1.26.2",
+        "use-debounce": "^6.0.1",
         "zxcvbn": "^4.4.2"
     },
     "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 28a840ebd2c..7393d85cc2f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11946,6 +11946,11 @@ use-debounce@^5.2.1:
   resolved "https://registry.yarnpkg.com/use-debounce/-/use-debounce-5.2.1.tgz#7366543c769f1de3e92104dee64de5c4dfddfd33"
   integrity sha512-BQG5uEypYHd/ASF6imzYR8tJHh5qGn28oZG/5iVAbljV6MUrfyT4jzxA8co+L+WLCT1U8VBwzzvlb3CHmUDpEA==
 
+use-debounce@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/use-debounce/-/use-debounce-6.0.1.tgz#ed1eb2b30189408fb9792ea2887f4c6c3cb401a3"
+  integrity sha512-kpvIxpa0vOLz/2I2sfNJ72mUeaT2CMNCu5BT1f2HkV9qZK27UVSOFf1sSSu+wjJE4TcR2VTXS2SM569+m3TN7Q==
+
 use-local-storage-state@^6.0.0:
   version "6.0.3"
   resolved "https://registry.yarnpkg.com/use-local-storage-state/-/use-local-storage-state-6.0.3.tgz#65add61b8450b071354ce31b5a69b8908e69b497"