using this regular expression you can implement usa number validation.

This is the complete Sign-In with Ethereum RegExp implementation

extract id in filename psd from path ftp

It checks for time in 24hr format with colon separator

Match Base64 data stream inside CSS file (WOFF/WOFF2)

显示分组

Detect internal links in page

Regex for the gvsbuild tool to remove a trailing number from a project name.

Regex match markdown link

Capture details of file sizes and names from a ls listing from WinSCP

div change to button

(/^\d{0,}(([.]{1})?\d?){0,}$/gi

Matches everything but digits and allows for one decimal point. cannot start with a negative Allowed: 123...

asdasd

testing

Stack overflow example

Finds all website URLs

find email addresses

用于游戏“原神”的圣遗物OCR结果中的副属性识别

REGEX to test various phone numbers