Allow only two dots email address, for username.group@domain.tld

This RegEx checks if a text is valid for a SEPA-XML-File. It should be helpfull if you want to implement payment information to your site and don´t wont to get into trouble with char conversion that is done by your bank.

Parses date in (Month Day Year) format with delimiting chars being -\/ or whitespace

Complete (recursive) JSON validation regular expression.

Find nonspaced operators with capturing groups to reformat correctly.

Parses @FOO=BAR, @FOO, and @FOO{"JSON":"OBJECT"} to be used in REDCap action tags for passing parameters to functions.

remove the last char from a string. Replace 'e' with the char to remove.

JSON object string \r\n & \" replace regex

From 1970 to 2015 Replace: (\d{4})$ for (19[7-9]\d|200-1)$

1 digit 1 lower case 1 upper case 1 special character (no-space) 8-20 length

^([A-E])([A-C])([0-2])(\d)([0-5])(\d)([B])(\d{6})([A-Z0-9]{2})(\d{3})$