This regex checks if a string contains a number that ends with a "%" character ignoring all other cases. 96% -> accept 96.6% -> accept kk% -> Reject 96%% -> Reject

Matches Australian BSB numbers

(?R) Alternative

Outcode extraction for UK postcode

ACCEPTS ONE DASH "-" IN FRONT. ACCEPTS ONE PERIOD "." AFTER NUMBERS. ACCEPTS COMMAS. DOES NOT ACCEPT PARENTHESIS "()".

This will verify input is non-zero and either a valid dollar amount ($3, $3.4, $3.40, $.4, $.40) or a valid percent/rate (2%, 2.5%, .5%) with up to four decimal places. Could probably be more efficient with the lookaheads.

spagetti shit av fotbalside eivind snakket om

Strips all non "A-Z,a-z,0-9+-_" characters and replaces them with a single "-"