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springmvc @RequestMapping The following two urls How to exact match?

@RequestMapping("/{c1}-{c2}-{c3}-{c4}.htm")

public void category(@PathVariable("c1") Integer c1,@PathVariable("c2") Integer c2,@PathVariable("c3") Integer c3,@PathVariable("c4") Integer c4){

    System.out.println(c1);

    System.out.println(c2);

    System.out.println(c3);

    System.out.println(c4);

}

 

@RequestMapping("/{c1}-{c2}-{c3}-{c4}-{label}.htm")

public void label(

        @PathVariable("c1") Integer c1,

        @PathVariable("c2") Integer c2,

        @PathVariable("c3") Integer c3,

        @PathVariable("c4") Integer c4,

        @PathVariable("label") Integer label){

    System.out.println(c1);

    System.out.println(c2);

    System.out.println(c3);

    System.out.println(c4);

    System.out.println(label);

}

       

@RequestMapping("/{c1:[0-9]+}-{c2:[0-9]+}-{c3:[0-9]+}-{c4:[0-9]+}.htm")

...

@RequestMapping("/{c1:[0-9]+}-{c2:[0-9]+}-{c3:[0-9]+}-{c4:[0-9]+}-{label}.htm")