匹配字母开头只能出现字母与数字

阻擋「CAT:×××家族」

A regex that matches popular media types like audio, images and/or video. Can be adjusted to any media file type.

separates 3rd party imports from the official ones

取得被 [] 包住的片段

Regex phone number

test

written as a part of the Coursera interacting with the OS course offered via Google

This will break the datetime string into it's individual parts and add them into named groups.

Check if the phone number is correct from sénégal

passes freecodecamp's telephone validator

Solves the practice problem from https://www.sitepoint.com/learn-regex/

for the Google interacting with the OS course final project on Coursera

s

Example of how to pull a particular piece of the URL

email address regex

The capture group returns only a number with a dot if it has decimal digits, otherwise it is treated as an integer. 1.1 => 1.1 1\. => 1

Reference: https://stackoverflow.com/a/34669019/369727

Tte pattern to grep the multilayer numbered list bullets: 1. level 1 1.2. level 1.2 1.2.1. level 2.1 1.3. level 1.3 1.4. level xxx...

Setup php source extension regex