Match alphanumeric with / - _

guif

정규식 예제

guif

guif

Grabs another regex from the Public Library to do most of the dirty work. When a tab is opened it scans and the: head header...

Matches string literals and contained escape sequences.

match one or more contiguous white space characters in a string. can be used in JS, for example, to replace any white space characters (tab, space, newline), as well as multiple contiguous WS chars, with a single space character. var text = “1 2 \t \n 3”; text = text.replace(/\s+/g, '...

email regex

user for bcl this helps to find missing semicolons to trigger an error

remove emojis

URL detection

单行注释

多行注释

Split number and string exp. data as below 17091327 Ren Xian Xtrcb County Bank Corporation Limited 50156 0862315402 19D 17091342 BaoDing QingYuan District Xtrcb Rural Bank Corporation Limit40156 0862315401 19D

starts with number and ends with string or number starts with +ve, -ve or decimal number

Rackerrank regex prepare

Matches the image mime types. E.g image/png, image/jpeg, etc.

Python does not support conditionals using lookaround, even though Python does support lookaround outside conditionals. (?(?=regex) then|else) is illegal in python (?=regex)then|(?!regex)else - this works. madness details in the test strings

reverses order when code is followed by comments (comments prepended with ## )