1) How do you write/insert a bold text into an Excel file using PHP?
Do I need to use some Excel formula?
2) What is the regex for "abcde_1234567890.txt" if I'm to use preg_match()?
"abcde_" and ".txt" is fixed; the numbers vary but is always be 10 digits.
Is it $var = "/^abcde_[0-9][10].txt/"; ?
I think this is supposed to be easy, but I'm stupid
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