php preg match space or start of string
/\b(stackoverflow)\b/php preg match space or start of string
/\b(stackoverflow)\b/php match copy match
$subject = "E:[email protected] I:100955";
$pattern = "/^E:(?<contact>\w+) I:(?<id>\d+)$/";
if (preg_match($pattern, $subject,$matches)) {
print_r($matches);
}12 hrs for preg match with single and double digit in php
((1[0-2]|0?[1-9]):([0-5][0-9]) ?([AaPp][Mm]))
12:00 pm --------- OK
13:00
1:00 am --------- OK
5:5 am
5:05 PM --------- OK
55:55
09:59 // valid time, but meridiem is missing
:01
0:59
00:59 PMCopyright © 2021 Codeinu
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