Posts by Edvaldo Szymonek • 68 points

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  Q: How to construct this regular expression?

  I’m trying to build a regular expression and it’s a little difficult. I would like you to help me, and if possible explain how the computer works in relation to this expression that I am asking for.…

  javascript regex

  asked 7 years, 12 months ago Edvaldo Szymonek 68

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  A: How can I do a validation to check if a variable is empty and is a string in php

  Saul, you can also create a function <?php function emptyAndString(&$var) { $var = trim($var); return empty($var) && is_string($var); } $v = 'Valor'; var_dump(emptyAndString($v)); //…

  php variables

  answered 9 years, 3 months ago Edvaldo Szymonek 68