Regular Expressions 101

Basic matches an integer or floating point number with optional positive or negative signed.

This regex converts text like this: __ TO: __

for a comp arch assembler

Find the key and replace it's value.

grab address

한글자만 남기고 중복글자 지우기 ex) 강남역역역역 -> 강남역

Parse Client type

Regex for checking if JSON starts with desired keys Useful for validating/filtering database entries when used in combination with SQL Like Example: Postgre: select * from table_name where column_json ~ '^\{[\s]\"(tab1|tab3|tab5)".'

Two groups. One of digits in between slashes (e.g. '/5/') followed by any text

reg

get the matching text starting from [** to /.md

Parse Received header on email

To debug pasted questions with options

hopefully matches all variations of the minute part of a crontab. working on the other parts soon

match all printable basic ASCII characters in c++ #include #include #include ...

extracts all word char sequences from given text

extracts dates from text; Valid date format: dd-MMM-yyyy

Writes a regular expression that performs simple email validation An email consists of: username @ domain name Usernames are alphanumeric Domain names consist of two strings, separated by a period Domain names may contain only English letters ...

r

important