Databases
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Postsdbo
PO
 

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    <p><strong>Try this one:</strong></p> <pre><code>Public Function test(ByVal test_strring$) As Boolean Try Dim pattern$ = "(?s)^(\d+\s*,\s*)+$" ' (?s)^(\d+\s*,\s*)+$ ' ' Match the remainder of the regex with the options: dot matches newline (s) «(?s)» ' Assert position at the beginning of the string «^» ' Match the regular expression below and capture its match into backreference number 1 «(\d+\s*,\s*)+» ' Between one and unlimited times, as many times as possible, giving back as needed (greedy) «+» ' Note: You repeated the capturing group itself. The group will capture only the last iteration. Put a capturing group around the repeated group to capture all iterations. «+» ' Match a single digit 0..9 «\d+» ' Between one and unlimited times, as many times as possible, giving back as needed (greedy) «+» ' Match a single character that is a “whitespace character” (spaces, tabs, and line breaks) «\s*» ' Between zero and unlimited times, as many times as possible, giving back as needed (greedy) «*» ' Match the character “,” literally «,» ' Match a single character that is a “whitespace character” (spaces, tabs, and line breaks) «\s*» ' Between zero and unlimited times, as many times as possible, giving back as needed (greedy) «*» ' Assert position at the end of the string (or before the line break at the end of the string, if any) «$» Return Regex.IsMatch(test_strring, pattern, RegexOptions.None) Catch ex As Exception MsgBox(ex.ToString) Return False End Try End Function </code></pre>
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    1. PORegex to evaluate a string with commas only integers VB.NET
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    1. USCylian
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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