Command:
An approach is to transform the content of the input file with tr command so that all words are in a single line and then use grep -c to count that match count.
$ tr '[:space:]' '[\n*]' < example.txt | grep -i -c 'EMPLOYEE_NUMBER'
In many payment-related integrations, credit card numbers often arrive as plain numeric strings. For security and compliance—and to meet tar...
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