# Regular Expressions Tab

Regular expressions are a language for matching patterns in text, and they give Inaportmuch of its power for manipulating data. See Regular Expressions for more information and tutorials.

The Regular Expressions tab shows a "cheat sheet" of some of the common special characters used to construct a regular expression, and a number of examples sorted into categories.

Functions that use regular expressions are in the "Regular Expressions" category in the Functions tab. Commonly used functions include find(), matches(), replace(), and snip().