Regex text date

Question

I am trying to write a regex matcher, where by the string should start with 'Feb' , have a space, and then followed by 2 digits.

    String x = "Feb 04 |";

    String regex = "^Feb d{2}";
    Pattern p = Pattern.compile(regex);


    Pattern pattern =   Pattern.compile(regex);
    Matcher matcher =   pattern.matcher(x);
    while (matcher.find())
    {
        System.out.print("FOUND");
    }

'String regex = "^Feb";' does well to detect if it starts with Feb, but trying to detect there is a space followed by 2 digits.

but d will just match the letter d - check the documentation Pattern \d is a digit (and in Java strings you need an additional \ to escape the first one: "^Feb \\d{2}") — user85421
– user85421, Commented Apr 22, 2019 at 8:42

Michiel · Accepted Answer · 2019-04-22 08:37:33Z

2

The regex pattern ^Feb\s\d{2} matches Feb, a white space, and two digits.

[edit]

^Feb\s\d{2}.*$ if you want to match the full string

answered Apr 22, 2019 at 8:37

Michiel

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1 Comment

user85421 Over a year ago

be aware that \s also matches tab and other whitespace characters ([ \t\n\x0B\f\r])

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