Parse currency from string

Question

I want to parse a currency from a string in PHP, I\'ve had a look at number formatter but haven\'t got PHP 5.3 or the ability to add extensions.

The currency will on

Answer 1

preg_match('/(?<=£)(?=[\d.]*\d)(\d*(?:\.\d*)?)/', $input, $matches);

will find a match within any of these:

• £.10
• £0.10
• £100
• £100.00

etc.