Regular Expression converts a date in MM/DD/YYYY format to a YYYY-MM-DD format

Source: Internet
Author: User

Regular Expression converts a date in MM/DD/YYYY format to a YYYY-MM-DD format

The example of this article describes the regular expression to realize the MM/DD/yyyy format of the date to the YYYY-MM-DD format. Share it with you for your reference. The specific implementation method is as follows:

 

The Code is as follows:


<Html>
<Head> <title> Regular Expression </title> <Body>
<A href = "./"> back to list </a>
<Form action = "<? Echo $ PHP_SELF;?> "Method =" post ">
Enter a date in MM/DD/YYYY format:
<Input type = "text" name = "date" value = "<? Echo $ date;?> ">
<Input type = "submit" value = "convert to YYYY-MM-DD format">
</Form>
<? Php
If (isset ($ date )){
If (ereg ("([0-9] {1, 2})/([0-9] {1, 2})/([0-9] {4 })", $ date, $ regs )){
Echo $ regs [0]. "The conversion result is :". $ regs [3]. "-". $ regs [1]. "-". $ regs [2];
} Else {
The date format of echo "$ date is incorrect! <Br> ";
}
}
?>
</Body>
</Html>

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