What is the regex for javascript import statement?

The regex pattern for javascript import statement is `^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]`. This pattern validates es module import statement in javascript/typescript.

How do I use this regex in JavaScript?

In JavaScript, create the regex with `const regex = /^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]/;` and test with `regex.test(yourValue)`. It returns `true` if the value matches.

How do I use this regex in Python?

In Python, use `import re; re.match(r'^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]', value)`. The raw string prefix (`r`) prevents Python from interpreting backslashes as escape characters.

Is this regex case-sensitive?

By default, yes. To make it case-insensitive, add the `i` flag in JavaScript (`/^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]/i`) or use `re.IGNORECASE` in Python.

Regex for JavaScript Import Statement

Regex Pattern

^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]

ES module import statement in JavaScript/TypeScript

Quick Answer

The regex pattern for javascript import statement is `^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]`. ES module import statement in JavaScript/TypeScript. This works in JavaScript, Python, Ruby, PHP, Java, and most regex engines that support PCRE syntax.

Test Examples

Input	Result
import React from 'react'	✓ Matches
import { useState } from 'react'	✓ Matches
import fs from 'fs'	✓ Matches
require('react')	✗ No match
import	✗ No match
from "react"	✗ No match

Code Examples

javascript

const regex = /^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]/;
const isValid = regex.test(value);

python

import re
pattern = r'^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^import\s+(?:\{[^}]*\}|[a-zA-Z_$][\w$]*)\s+from\s+['"][^'"]+['"]/', $value)) {
    echo "valid";
}

java

String pattern = "^import\\s+(?:\\{[^}]*\\}|[a-zA-Z_$][\\w$]*)\\s+from\\s+['"][^'"]+['"]";
boolean isValid = value.matches(pattern);

Frequently Asked Questions

Related Regex Patterns

JavaScript Variable Name

Valid JavaScript variable/identifier name

Python Variable Name

Valid Python identifier name

CSS Class Name

Valid CSS class name (starts with letter, underscore, or hyphen)

CSS ID Selector

CSS ID selector starting with #

JSON Key

JSON object key (quoted string followed by colon)

Semantic Version (Strict)

Strict semantic versioning (MAJOR.MINOR.PATCH)