Regular Expressions 101

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Help creating a Regex Pattern

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Regular Expression
pcre

/
^([1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9])$
/

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Submitted by anonymous - 7 years ago