How do I check if a string follows a certain pattern?
For example, I have $var that stores “hello.txt” and the pattern I want to match is “^(.+).txt$” (ie. anything that has “[any text here].txt”
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How do I check if a string follows a certain pattern?
For example, I have $var that stores “hello.txt” and the pattern I want to match is “^(.+).txt$” (ie. anything that has “[any text here].txt”
With bash builtin =~ you can do this: