If regex = true the string contain blank space !

Removes space after opening and before closing square and reqular brackets/parenthesis and keeps what's inside

List of phone numbers separated by commas 241 214 2414,(214) 224 4244, 214/224 4224,2142244244

t01

Postcode Validation

Requires any character, @ sign and a period in the extension of the email address

select all comma in brackets

This pcre style regex tests for valid URLs capturing the whole address. It will capture http and https only. Compatible with multiple sub-domains and raw IPV4 addresses, as well as paths, queries, and parameters. See below for examples: Will match these valid URLS: https://www.example.com/foo/?bar...

搜索句子中的小写单词

validate book desctiption

Simple url matcher catches most urls users enter

https://www.w3.org/TR/html5/forms.html#valid-e-mail-address

Verify email : a.b@c.d