Welcome to Regex Licensing

Licensing the Regular Expression.

Because you shouldn’t be adding a regular expression to a code base without a license. And those who have licenses generally know it’s a better idea not to use them.

A brief summary of typical disasters:

• Parsing email or IP addresses
• Replacing build time tokens
• Rolling your own string interpolations
• Validating a person’s name
• Parsing a phone number
• Validating a street number
• Enforcing a zip code globally
• Searching in a database for something in a live query
• Parsing a date or a time
• Basically almost always outside of command line or ad-hoc query fu