---
name: "Strings.filter"
section: "3kaya"
platform: "linux"
package: "kaya"
version: "0.4.4-6.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/Strings.filter"
---

# Strings.filter(3kaya)

Filter a string according to a predicate.

## NAME

Strings::filter - Filter a string according to a predicate.

## SYNOPSIS

**String filter(** *Bool(Char) p, String str* **)**

## ARGUMENTS

**p** The predicate function.

**str** The String to filter

## DESCRIPTION

Each character in *str* is tested against the predicate *p*\
  The returned string contains those characters in *str* for which the predicate is true.

## AUTHORS

Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

## LICENSE

The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.