Positive number !

RegExp to match valid URL of http://, https://, ftp://, and mailto: protocols

第1篇 正则表达式基础 第1章 外行看正则表达式 1.1 什么是正则表达式 1.2 本书使用的测试工具 1.3 理解元字符 1.3.1 匹配位置的元字符 ...

Match all words that not begining with a vowel character

Allow users to only enter a single letter, no numbers, and determine which characters they are not allowed to enter (both uppercase and lowercase).

parse log data

this matches walls of text (more than 700 ascii chars with no newline in them)

it detects binary numbers divislbe by 3

it detects among us references among us aming us mongus amogus sus...

Any valid ECMAScript identifier name

YAML Textmate Grammar - Name property hoister Moves a later name key value pair in multi-value block map definition to the top of its body (e.g. value with - prefix), easily changable to other keys and indent levels. Details/Notes on Modification ...

Validate tlf

{ { I\'m so {cool}, I\'m nested }} I\'m neither { I\'m just boring normal braces }

Detecting CJK Chars in Golang!

useful for filtering data from Gooogle Compute Engine monitoring into grafana

Useful to check the HTTP content-type as application/json since sometimes people created their own custom content-type on top of JSON.

matches someApiName in someApiNameApi

breaks the blobs into sentences

siprec

litecoin:Ldeontgmqp8NJnwk8pwcM4gv31VhJL2WgS?label=luckyfish.%20io%20tnlzsp6i93b9