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Using perl or sed, you could try something like:
/\d{3,11}/
\d is for digit, and {3,11} means that a digit must appear between 3 and 11 times.
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solved How can I write a Regex expression like this [closed]
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Using perl or sed, you could try something like:
/\d{3,11}/
\d is for digit, and {3,11} means that a digit must appear between 3 and 11 times.
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solved How can I write a Regex expression like this [closed]