Tag Archives: validation

HTML Oninvalid Event Form Validation Primer Tutorial

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It’s good that there are such a variety of approaches with clientside HTML and Javascript and/or among serverside (eg. PHP, Perl, Python) components to your webpages that involve forms (because for yours truly it can seem soul destroying the way … Continue reading →

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HTML CSV Report Validation via Client Input or Regular Expression Tutorial

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There are as many ways to present data as there are stars in the sky, we venture, but some make so much more sense than others in terms of … how the data comes to you what you want to … Continue reading →

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HTML Worded Validation via Client Input or Regular Expression Tutorial

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It’s not, at least for us, a trivial issue to add wording in addition to yesterday’s HTML Validation via Client Input or Regular Expression Tutorial red dashed bordering flagging invalid entries regarding … email telephone number url number … for … Continue reading →

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HTML Validation via Client Input or Regular Expression Tutorial

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Our attitude to validation is “to get in there early”, so no matter how effective the recent PHP Form Validation via Filter Regular Expression Tutorial is with its data validation, this serverside validation can’t beat client validation you do right … Continue reading →

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Parsing Relative Url Tutorial

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Recently, the idea of … relative URLs … versus … absolute URLs … has been of interest to us because PHP’s glob function is so useful for those savvy users out there satisfied with relative URL definitions for their input … Continue reading →

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PHP Form Validation via Filter Regular Expression Tutorial

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With the recent PHP Form Validation via Filter Extension Tutorial we avoided “the elephant in the room” that being the use of regular expressions. No, Nala, not 😀 or even 🤪 but the definition of a date data item (or … Continue reading →

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PHP Form Validation via Filter Extension Tutorial

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Our recent Javascript and PHP Base64 Primer Tutorial with its Base64 thoughts, the … echo “<textarea id=tb64 cols=100 rows=10>” . base64_decode(urldecode($_POST[‘base64′])) . “</textarea><br>”; … of which we adopt for today’s PHP code, set our minds towards HTML form thoughts and … Continue reading →

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Freeformatter Validation Primer Tutorial

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It is our considered opinion that for content editors of reasonably large chunks of HTML the HTML Validator at the Freeformatter website can be a very useful tool. It saved our bacon one day with one of our blog postings … Continue reading →

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