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FILTER()

Synopsis

Filter the string to include only the allowed characters

Description

Permits all characters listed in allowed-chars, filtering all others outs. In addition to literally listing the characters, you may also use ranges of characters (delimited by a -

Hexadecimal characters started with a \x(i.e. \x20)

Octal characters started with a \0 (i.e. \040)

Also \t,\n and \r are recognized.

Note

Icon

If you want the - character it needs to be prefixed with a {{}}

Syntax

FILTER(allowed-chars,string)
Arguments
  • allowed-chars
  • string

See Also

Import Version

This documentation was imported from Asterisk Version SVN-branch-13-r420538

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