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The first Case is equivalent to this:

Local $a = 0
If $a = "test" Then ConsoleWrite("test")

Comparing a numerical entity with a text forces conversion of the text variable to numeric. "test" evaluates as 0, hence the comparison yields True and the ConsoleWrite is performed.

This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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52 minutes ago, Ontosy said:

 

Dim $a=0
Switch $a
Case "test"
    ConsoleWrite("test")
Case 0
    ConsoleWrite(0)
Case "0"
    ConsoleWrite(2)
EndSwitch

Do it is normal that Switch fire "test" instead of 0 ?

 

Quote

Language Reference - Datatypes

If a string is used as a number, an implicit call to Number() function is done. So if it doesn't contain a valid number, it will be assumed to equal 0.

https://www.autoitscript.com/autoit3/docs/intro/lang_datatypes.htm

Quote

Switch...Case...EndSwitch

Parameters
<expression>    The value from the expression is then compared against the values of each case until a match is found.
<value>    The case is executed if the expression matches the value.

https://www.autoitscript.com/autoit3/docs/keywords/Switch.htm

Quote

Language Reference - Operators
AutoIt has the following assignment, mathematical, comparison, and logical operators.

    Comparison operators (case-insensitive if used with strings except for ==)
=    Tests if two VALUES are equal. e.g. If $vVar = 5 Then (true if $vVar equals 5). Case-insensitive when used with strings. See below about comparing with mixed datatypes.
==    Tests if two strings are equal. Case-sensitive. The left and right values are converted to strings if they are not strings already. This operator should only be used if string comparisons need to be case-sensitive.

Comparing different datatypes
Care is needed if comparing mixed datatypes, as unless the case-sensitive (==) string operator is used, mixed comparisons are usually made numerically. Most strings will be evaluated as 0 and so the result may well not be the one expected. 

https://www.autoitscript.com/autoit3/docs/intro/lang_operators.htm

Edited by AlessandroAvolio
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