exported from <a href='../pipes'>angular2/pipes</a>
defined in <a href="https://github.com/angular/angular/tree/2.0.0-alpha.32/modules/angular2/src/change_detection/pipes/number_pipe.ts#L52-L85">angular2/src/change_detection/pipes/number_pipe.ts (line 52)</a>
:markdown
Formats a number as local text. i.e. group sizing and seperator and other locale-specific
configurations are based on the active locale.
# Usage
expression | number[:digitInfo]
where `expression` is a number and `digitInfo` has the following format: