What is the regex for latex inline math?

The regex pattern for latex inline math is `\$[^$]+\$`. This pattern validates latex inline math delimited by single dollar signs.

How do I use this regex in JavaScript?

In JavaScript, create the regex with `const regex = /\$[^$]+\$/;` 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'\$[^$]+\$', 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 (`/\$[^$]+\$/i`) or use `re.IGNORECASE` in Python.

Regex for LaTeX Inline Math

Regex Pattern

\$[^$]+\$

LaTeX inline math delimited by single dollar signs

Quick Answer

The regex pattern for latex inline math is `\$[^$]+\$`. LaTeX inline math delimited by single dollar signs. This works in JavaScript, Python, Ruby, PHP, Java, and most regex engines that support PCRE syntax.

Test Examples

Input	Result
$x^2$	✓ Matches
$E = mc^2$	✓ Matches
$\alpha + \beta$	✓ Matches
$$display$$	✗ No match
no math	✗ No match
$	✗ No match

Code Examples

javascript

const regex = /\$[^$]+\$/;
const isValid = regex.test(value);

python

import re
pattern = r'\$[^$]+\$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /\$[^$]+\$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/\$[^$]+\$/', $value)) {
    echo "valid";
}

java

String pattern = "\\$[^$]+\\$";
boolean isValid = value.matches(pattern);

Frequently Asked Questions

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camelCase Word

camelCase identifier (starts lowercase, no separators)