has_any_ipv4()

Learn how to use the has_any_ipv4() function to check if any IPv4 addresses appear in the text.

Returns a value indicating whether one of specified IPv4 addresses appears in a text.

IP address entrances in a text must be properly delimited with non-alphanumeric characters. For example, properly delimited IP addresses are:

  • “These requests came from: 192.168.1.1, 10.1.1.115 and 10.1.1.201”
  • “05:04:54 127.0.0.1 GET /favicon.ico 404”

Performance tips

Syntax

has_any_ipv4(source , ip_address [, ip_address_2, …] )

Parameters

NameTypeRequiredDescription
sourcestring✔️The value to search.
ip_addressstring or dynamic✔️An IP address, or an array of IP addresses, for which to search.

Returns

true if one of specified IP addresses is a valid IPv4 address, and it was found in source. Otherwise, the function returns false.

Examples

IP addresses as list of strings

print result=has_any_ipv4('05:04:54 127.0.0.1 GET /favicon.ico 404', '127.0.0.1', '127.0.0.2')
result
true

IP addresses as dynamic array

print result=has_any_ipv4('05:04:54 127.0.0.1 GET /favicon.ico 404', dynamic(['127.0.0.1', '127.0.0.2']))
result
true

Invalid IPv4 address

print result=has_any_ipv4('05:04:54 127.0.0.256 GET /favicon.ico 404', dynamic(["127.0.0.256", "192.168.1.1"]))
result
false

Improperly deliminated IP address

print result=has_any_ipv4('05:04:54127.0.0.1 GET /favicon.ico 404', '127.0.0.1', '192.168.1.1') // false, improperly delimited IP address
result
false