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== Why is this an issue?
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include::../description.adoc[]
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=== Noncompliant code example
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[source,php]
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----
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preg_replace("/[c̈d̈]/", "X", "cc̈d̈d"); // Noncompliant, print "XXXXXX" instead of expected "cXXd".
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----
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=== Compliant solution
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2022-02-04 17:28:24 +01:00
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[source,php]
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----
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preg_replace("/c̈|d̈/", "X", "cc̈d̈d"); // print "cXXd"
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----
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