Regular Expressions 101

Converts in-addr.arpa hostnames to IPv4 e.g. 1.0.0.127.in-addr.arpa to 127.0.0.1

Parse a single line of a .env file From repo dotenv - source code here.

Doesn't work on domains that include dashes (after the dash).

Extract the Data from Sri Lankan National Identity Card The SL NIC could be divided into two groups, Before 2016 (9 alphanumeric digits with one English letter) After 2016 (12 alphanumeric digits) ...

匹配终端控制序列

Just a simple regex to detect phone numbers Should work in just about any regex flavor.

Matches comments, strings, templates, and regexes from javascript code. also matches templates recursively in order to correctly get template data

Match an e-ITCD protocol inside a list

Remove specific character in beginning & last

^([a-z0-9]+(?:([-]+|[.])[\w-]+|[-]))@([a-z0-9]+(?:([.-]\w+)\.)[a-z]{2,13})$

This is written using several other developer's work with my tying it all together and adding a few small requirement of my own. allows Latin characters (“a” - “z” or “A” - “Z”) within the email address. permits digits (0 - 9) in the email address. enforces domain part restrictions. allows hyphen...

matches html

mail, pass, ...

jerry_eth_match

IPv6 前缀格式

How to get type from calypso XML by key words

Parses a file path into 3 capture groups: 1: path (may be empty) 2: filename (required) 3: extension (may be empty)

组1：编程语言 组2：代码

regex that allows digits, space and hyphen

match like this: ${foo}