For more background, refer to: http://codel10n.com/what-is-correct-locale-tag-en_us-vs-en-us/

Extracts the flag option information from a bash 'COMMAND --help'.

This regular expression will match the following: 0 1-39 Integers Mixed numbers of the form x y/8 or x-y/8 where x is an integer between 1 & 9 and y is an integer between 0 & 7 xx y/8 or xx-y/8 where xx is an integer between 1 & 39 and y is an integer between 0 & 7...

Telephone number strict international section :- starting with '+' or '00' flexible local section for wider international and allows spaces for visual formatting Close enough for many requirements. Tweak to match your country/circumstances better. ...

For each that it founds, it inserts a <![CDATA[ ... ]]>

Javascript regex to validate email address

read in gap list file with date day range between 17-21

read in gap list file with date day range between 17-21

匹配手机号码的正则表达式 支持130——139、150——153、155——159、180、183、185、186、188、189号段

Find three repetitions of yes or no anywhere in a string.

/\/g

An expression to test weather or not to add a / when entering in dates

Combined patterns for ISAN, ISMN, ISRN and ISWC to distinguish them for BibLaTeX output.