separate all parts of an url

Date for spanish calendar

This regex can ALL!

Matches hashtags withing string

email validator

Parses CUSIP text output from sec.gov

Replaces second to last but one characters with asterisks in email all parts BUT TLD: test01@gmail.com -> t1@g.com AUTHOR SO link: http://stackoverflow.com/users/3832970/wiktor-stribi%C5%BCew

regex for iso 8601 date between 1970 and 2999 that match only valid date, the only mistake possible in this regexp is the bisextile year how are not checked

regex for iso 8601 date between 1970 and 2999 that match only valid date, the only mistake possible in this regexp is the bisextile year how are not checked

ping -i 20 host | perl -nle 'print scalar(localtime), " ", $_'

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