How to deal with a regular expression

Ask for the scheduled departure time of a regular expression: 16: 00 planned arrival time: 19: 00 terminal: T3 status: plan to ask how to extract the regular expression 16: 0019: 00T3 plan. thank you ~~, PHPcode $ str = & quot; planned departure time: 16: 00 planned arrival time: 19: 00 terminal: T3 status: calculate a regular expression
Planned departure time: 16: 00 planned arrival time: 19: 00 terminal: T3 status: Plan




How can I extract regular expressions from the T3 plan? thank you ~~

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PHP code

$ Str = "planned departure time: 16: 00 scheduled arrival time: 19: 00 terminal: T3 status: scheduled"; $ str = preg_replace ('/[^ \ da-z: \ s]/I ', '', $ str ). substr ($ str, strlen ($ str)-4); // T3 plan