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Regular Expression for alphanumeric and underscores
...A-Z, a-z, or underscore (_).
Here is how you would do that:
Tested under php:
$regex = '/^[A-Za-z_][A-Za-z\d_]*$/'
or take this
^[A-Za-z_][A-Za-z\d_]*$
and place it in your development language.
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How to print without newline or space?
... a conversion to a tuple). I expect these sorts of shoddy constructs from PHP, not Python. So it's best to not ever use this.
– Eric Leschinski
Jul 26 '15 at 16:48
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LEGO EV3 机器人按键控制 · App Inventor 2 中文网
... 界面优化
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LEGO EV3 机器人按键控制
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这是一...
How to parse JSON data with jQuery / JavaScript?
... the data:
$.ajax({
type: 'GET',
url: 'http://example/functions.php',
data: { get_param: 'value' },
dataType: 'json',
success: function (data) {
$.each(data, function(index, element) {
$('body').append($('<div>', {
text: element.nam...
Matching a space in regex
I need to match a space character in a PHP regular expression. Anyone got any ideas?
9 Answers
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ImportError: No module named MySQLdb
...ations
With Ubuntu Server LTS 16.1, a full LAMP stack, Apache2 MySql 5.7 PHP 7 Python 3 and Django 1.10.2 I really struggled to find a good answer to this. In fact, I am still not satisfied, but the ONLY solution that worked for me is this...
sudo apt-g
Can you 'exit' a loop in PHP?
I have a loop that is doing some error checking in my PHP code. Originally it looked something like this...
6 Answers
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How to parse the AndroidManifest.xml file inside an .apk package
...n, the aapt does the job. As I am working with LAMP, I run aapt command in PHP and process the output with PHP.
– hongster
Aug 24 '10 at 3:52
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Use dynamic variable names in JavaScript
In PHP you can do amazing/horrendous things like this:
17 Answers
17
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PHP - Modify current object in foreach loop
... recommended even though this is shorter (see comment by Paystey)
Per the PHP foreach documentation:
In order to be able to directly modify array elements within the loop precede $value with &. In that case the value will be assigned by reference.
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