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Configure Flow: Text Parser

Configure Flow: Text Parser


To be able to use values contained in a text as variables in the flow, you need the text parser.
With this, you can search directly for a so-called "key" and save the subsequent text of the same line as a variable.


The basic functioning is explained with the following text:


`Hello GroupAlarm,


I would like to trigger an alarm with the following parameters:
Event: TESTALARM
Alarm text: TEST Do not move out!
LONG##50.76382
LAT##6.0793028
Address: Goethestraße 5, 52064 Aachen, Germany #


All subscribers are to be alerted.`


Basically, the configured key is searched for within the text and removed from the found line, so that only the value behind it is stored. Therefore, if your key contains a :, it must be specified in the key.


Below are some examples applied to the above text that produce the following results:


Syntax

Result

Event:

TESTALARM

Event

: TESTALARM

LONG###

50.76382



With Expert Mode, regular expressions can be applied to the text.
This allows you to search even more specifically for values within a text. To do this, use at least one regex group that is to be matched, as the text parser can only ever extract the first group found.


If the parser does not match a group, your variable will not contain a value.


For example, the RegEx Address(.*)# can be used to extract the address "Goethestraße 5, 52064 Aachen, Germany" from the text above without a leading key and # at the end.


In addition to the actual regular expression, you can also configure RegEx flags for an advanced search. The following flags are currently available:


Flag

Name

Description

i

insensitive

ignores upper and lower case spelling

m

multi line

Treats the search context as multiple lines, i.e. ^ and $ are the beginning and end of each line

s

single line

. also indicates a new line

U

ungreedy

the shortest possible string is used


Updated on: 28/02/2023

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