When encountering more than 1 pmid, make sure to return the first one

Regex supporting all formats of ISO 8601 dates (with timezone and microseconds) that are compatible with PHP DateTime constructor and strtotime.

find a string (placeholder) inside a string

^ # start-of-string (?=.*[0-9]) # a digit must occur at least once (?=.*[a-z]) # a lower case letter must occur at least once (?=.*[A-Z]) # an upper case letter must occur at least once (?=.*[@#$%^&+=]) # a special character must occur at least once (?=\S+$) ...

In (?!www.youtube.com\/|youtube.com\/|player.vimeo.com\/) u can add good sites for iframes: www.youtube.com/ player.vimeo.com/

czfb

http://www.rexegg.com/regex-humor.html#meaning-of-life

ip search

\TYPECODE #1\\[MARF#\].?\[EREF#\].?\[IREF#\].?\[RTRN#]\s.?\[DR #1\]

Validates most types of URL's and IP addresses. NOTICE! remove "?" after first non-capturing group to forse check protocol.

Check if string contains a valid HTTP / HTTPS link

SHould pickup a cusip followed by a price in decimals or ticks.

parses the status message (response to '?') from a GRBL controller according to https://github.com/grbl/grbl/blob/master/grbl/report.c#L421 works with every possible status report mask (grbl 0.9i)

matches correct format for time