This regex is to find duplicates in properties- or config-files with '='-separated key value pairs.

Matches decimal numbers also with exponent (23.8e12) It does not match silly things like 00000000000.0000000000 as other "decimal number regex"

Decimal numbers matcher with optional matching for exponent (12.4e7) and optional thousand comma separator matches both 1,234.05 and 1234.05. Also matches negative numbers (-1234.05)

Following inputs are accepted dd.mm.yyyy while 29.02.2016 accepted, 29.02.2017 is not. also some months last days should be 30, not 31 ...

Parse just the filename from ls -a output on Linux.

Separates generic and individual bloomberg symbols into 'root', 'month' (or lack of it), 'year' or 'generic contract number' and 'yellow key' Problem is that matches for root are 1 and 4, can't give them save reference or number. Will update if figure out

REGEX to validate field username 3-20 chars

ASIN = Amazon Standard Identification Number

If regex = true the string contain blank space !

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...

validate book desctiption