# Just how can I access the suits when making use of preg_replace in PHP?

I am attempting to order the uppercase of a number of words and also cover them in period tags. I am making use of preg_replace for extract and also covering objectives, yet it's not outputting anything.

preg_replace("/[A-Z]/", "<span class=\"initial\">$1</span>",$str)

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2019-05-03 17:48:40
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substitute might have referrals of the kind \ n or (given that PHP 4.0.4 ) $n,. with the last kind being the. favored one. Every such reference. will certainly be changed by the message recorded. by the n'th parenthesized pattern. See Flubba's instance. 0 2019-05-07 18:07:08 Source You require to place the pattern in parentheses /([A-Z])/, similar to this : preg_replace("/([A-Z])/", "<span class=\"initial\">$1</span>", \$str)