Compare String with Pattern

Question

Want to using C# Regex to match string. but always return false. code below

bool isMatch(string preDZ, string matchStr)
{

    string pat = preDZ + "/d{8}";
    Regex reg = new Regex(pat);

    return reg.Match(matchStr).Success;
}

Print(isMatch("AS", "AS00000001"));

but always return false. how to set the pattern to match the string "AS" + 8 length digits?

George Alexandria · Accepted Answer · 2017-07-08 18:56:03Z

2

Just try something looks like this:

bool isMatch(string preDZ, string matchStr)
{
    string pat = preDZ + @"\d{8}";
    Regex reg = new Regex(pat);

    return reg.Match(matchStr).Success;
}

answered Jul 8, 2017 at 18:56

George Alexandria

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2 Comments

Ken Chu Over a year ago

modify string pat = preDZ + "\\d{8}";, and it working now.

George Alexandria Over a year ago

@KenChu I added @ to string, so it more clearility than "\\"

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