Werk #3649: Added a workaround for an escaping-related bug in old bash versions

Component Checks & agents
Title Added a workaround for an escaping-related bug in old bash versions
Date Oct 11, 2016
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.2.8p12 1.4.0i2
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

Some old bash versions (up to 3.2.x) had a slightly obscure bug regarding the escaping of special characters in regular expression matches, so a workaround for this was necessary.

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