(\w+)(\s)(\w+)\2(\w+) in this exercise we have to use capture groups and then replace the string order to 'three two one'. But first, when you are using the capture group you may have asked yourself why the code below does not work: (\w+)(\s)\1\2\1 to match the sting "one two three"...

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Validates client IDs

This pattern matches inconsistent addresses that have various street names and coordinates. This captures the Address 1 & 2, Type of Street, Coordinates (NE, NW, SE,SW) City, State, and Full zip

Ensure that Salesforce Flow name meets the following standards: - -

Validate comma-separated list of values (allowed: words; digits; special characters; single non-trailing non-leading spaces;)

Matches the data sent by the twitch IRC and captures into various groups

text has numbers

match some emails and extract their local part and domain

it check the html content with like html tag but not html. somthing this not html content but it has content like html tag.

A pcre that capture a 4-digit numeric that does not allow a leading zero and no repeat digits.

This regular expression splits an address line like for example "1117 Franklin Blvd" into the street name and house number. It also supports addresses where street name and house number are the other way around (e.g. "Mustermannstr. 1"). Furthermore, this regular expression also supports address lin...

checklists item

/* -- This is a RegEx for validating one Italian ATECO code. -- For original specification visit: http://www.istat.it/it/archivio/17888 -- Valid: */ 1...

This regex matches roman numbers from 1 (I) to 3999 (MMMCMXCIX)