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 "-"

Allows the capture of environment variables for expansion or elimination.

2 or more words allowed in any alphabet with "'" and "-" symbols (not more than one successively) and dot in the end of any word.

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For US names