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.
Syntax
FILTER(allowed-chars,string)
Arguments
allowed-chars
string
See Also
Import Version
This documentation was imported from Asterisk Version GIT-20-f8000daff5