{,8} is perfectly valid it means a maximum of 8 times

{,8} is a perfectly valid string which in a regular expression matches the character '{' followed by the character ',' followed by the character '8' followed by the character '}'.    Perhaps you are thinking of the quantifier {0,8}?

In reply to Re^3: need help with a regex by jwkrahn
in thread need help with a regex by aquinom

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