Adopted one of answers from: http://stackoverflow.com/questions/5948051/regex-extract-twitterusername-from-url

Find any url('~filename.jpg'). URL must contain tilde

Unicode user name check with som allowed non-alhanum characters

Matches Portuguese phone numbers.

Date in format MM-dd-yyyy

dfsfd

Validates a US mm-dd-yy(yy) with an optional hh:mm:ss time.

this regex can detect any real number whether it is signed or unsigned.plus it can detect real number both with and without floating point aka '.'.the numbers should be decimal number

Versatile, multiline matching of CSS colors of many common formats, including: [x] HEX-3: #123 (equivalent to #112233) [x] HEX-4: #FA0F ( ... #FFAA00FF) [x] HEX-6: #FF3300 ( ...#F30) [x] HEX-8: #FFAA00FF ( ...#FA0F) [x] RGB: rgb(0, 0, 0) [x] RGBA: rgba(255, 255, 255, 1.0) [x] HSL: hsl(100, 50%, 50%) [x] HSLA: hsla(100, 20%, 20%, 1.0) [x] Vars: var(--tw-color-name, #000000) [x] Misc: color: inherit; color: currentColor; color: initial;, etc. With or without trailing semicolon or comma Forgiving of whitespace issues Allows property/declaration names (e.g. color: #fff), most other solutions do not.

A simple parser to exact all the components of a URI/URL as named groups

Trim leading/trailing space on a string: do not use /gm flags. Trim each line of a multiline string: use the /gm flag.