I am trying to extract only the FREE HEAP count value which is 1400 from the below line. Here i'm using split function twice to get the value. Can somone help me to get a single regex that would extract the value 1400 using split function here.

my @split_val = split(',',$line);
print $split_val[2];
my @split_val1= split(':',$split_val[2]);

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input text 

2014-04-23 14:66:87,666 INFO  - HEAP - [USAGE: 1948.3, FREE: 1400, MAX
+: 3597.5]; NON-HEAP - [USAGE: 611.9, FREE: 52.2, MAX: 1776.0]; CLASSE
+S - [Loaded: 67007, Unloaded: 3237, Left: 63770]; THREADS - [Count: 3
+42]

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Output: 1400

2017-09-19 Athanasius put code tags around the input text

In reply to March a regex using split function by sreek3502

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