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Regular expression to allow spaces between words

I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words. ...
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RE error: illegal byte sequence on Mac OS X

...t a valid UTF-8 char. Note that, by contrast, GNU sed (Linux, but also installable on macOS) simply passes the invalid byte through, without reporting an error. Using the formerly accepted answer is an option if you don't mind losing support for your true locale (if you're on a US system and you ne...
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Android: How to bind spinner to custom object list?

...ass) label.setText(values[position].getName()); // And finally return your dynamic (or custom) view for each spinner item return label; } // And here is when the "chooser" is popped up // Normally is the same view, but you can customize it if you want @Overr...
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How can I check for NaN values?

...did not work reliably. Used numpy instead." Having said that, I've not actually ever seen it fail. – mavnn Jan 26 '10 at 13:18 24 ...
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Using the last-child selector

... last-child works in all the modern browsers, which means, of course, it does not work in any version of IE. – Rob Apr 8 '10 at 21:25 ...
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How to limit the maximum value of a numeric field in a Django model?

...ormer can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a certain range, e.g. 0.0-5.0 ? ...
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

... _Layout.cshtml has something like this: @RenderSection("scripts") Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): @{ ViewBag.Title = "Title"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section scripts{ ...
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Use of 'prototype' vs. 'this' in JavaScript?

...e [[Prototype]] property. A function's this is set by how the function is called or by the use of bind (not discussed here). Where a function is called on an object (e.g. myObj.method()) then this within the method references the object. Where this is not set by the call or by the use of bind, it de...
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How to print a percentage value in python?

... Is float(1) really more pythonic than 1.? – Tobias Kienzler Jul 17 '13 at 7:58 ...
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Handling an empty UITableView. Print a friendly message

... change the height of your cell to accommodate the empty message. This is all doable but it seems like band-aid on top of band-aid. share | improve this answer | follow ...