This regex is to match Ascending or descending order of 8 digit number

匹配带引号内容，被引号包含的内容 结构($x) ((前引号)(内容)(后引号)) ...

By inserting this regex in a programming language to test it against Codeforces 1800A you'll solve the task

Search and change many regex matches

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