How to eregi_replace to preg_replace [duplicate]

Question

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How can I convert ereg expressions to preg in PHP? (4 answers)

Closed 9 years ago.

eregi_replace('[0-9]+\.+[0-9]','',$cart['unit']);

How to change it to preg_replace?

I get an error: Warning: preg_replace() [function.preg-replace]: Unknown modifier '+' in ---

Answer 1

You can use your existing Regex almost unchanged in a preg_replace(). Just add delimiters and a case-insensitive modifier. You get

preg_replace('#[0-9]+\.+[0-9]#i','',$cart['unit']);

In fact, the case-sensitivity is irrelevant since your pattern only matches 0-9 and .