PHP Remove a string that starts with http:// or www and ends with .com/.ca/.net etc -

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i found bunch of link show how delete within str_replace() want censor link on post. better, somehow detect when user trying post link , not let them submit form until remove it

i not sure write inside str_replace() or how check page inserted urls

any appreciated!

you'll want check submitted string against regular expression using preg_match().

preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $string)

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