Easy controls with Regex.

TypeScript definitions for url-regex-safe

Regular expression matching for URL's. Maintained, safe, and browser-friendly version of url-regex. Resolves CVE-2020-7661. Works in Node v10.12.0+ and browsers.

Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.

Give a regex, get a robust predicate function that tests it against a string.

detect possibly catastrophic, exponential-time regular expressions

detect possibly catastrophic, exponential-time regular expressions

TypeScript definitions for safe-regex

A regular expression to match all Emoji-only symbols as per the Unicode Standard.

Regular expression for matching semver versions

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

Compile ES2015 Unicode regex to ES5

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

Compile ES2015 sticky regex to an ES5 RegExp constructor

Regular expression for matching a shebang line

Compile regular expressions using named groups to ES5.

jscodeshift codemod that rewrites dayjs and date-fns call sites to temporal-fmt equivalents. AST-based, not regex — safe to run unsupervised on a real production codebase.

Regular expression for matching ANSI escape codes

Compile regular expressions using the `s` (`dotAll`) flag to ES5.

Compile Unicode property escapes in Unicode regular expressions to ES5.