# epc
[](https://hex.pm/packages/epc)
Erlang Parser Combinator
## Overview
A parser combinator library implemented in Erlang. It supports parsing everything from basic characters and strings to complex structures like JSON and S-expressions.
## Usage Example
```erlang
%% Define key parser
KeyParser = epc:string(<<"id">>),
%% Define colon parser
ColonParser = epc:char($:),
%% Parse digits and map to integer
ValueParser = epc:map(epc:many(epc:digit()), fun(Ds) -> list_to_integer(Ds) end),
%% Combine parsers into a sequence
KeyValueParser = epc:sequence(KeyParser, epc:sequence(ColonParser, ValueParser)),
%% Execute parsing
epc:parse(KeyValueParser, <<"id:1024">>).
```