Hello, Amateur in Perl and Programming seeks answer to (I thought until I started searching) simple question: How can I get the code below to accept only one of the titles, and not any other expression or two titles together? At the moment, it accepts any of the listed titles and not any other word, but I won't to avoid it accepting two titles together. How can I program it to accept only one ocurrence of the titles in the list? 
# Title, needs to be Dr, Lady, Lord, Miss, Mr, Mrs, Ms or Sir

$conditionTitle = 0;

do
{
print("Please enter your title: ");
chomp($title = <STDIN>);

    if($title =~ /^Dr|Lady|Lord|Miss|Mr|Mrs|Ms|Sir|$/)
    {
    print("Thank you.\n");
    $conditionTitle = 1;
    }
    else
    {
    print("The allowed titles are: Dr, Lady, Lord, Miss, Mr, Mrs, Ms o
+r Sir.");
    }
    }
    while($conditionTitle == 0);

[download]

In reply to Silly question about regular expressions by Mariola

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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