![SOLVED! Fix Wordpress Error - Warning: preg_match() [function.preg-match]: Compilation failed: nothing to repeat at offset 1 in [root]/wp-includes/classes.php on line 210 211 - DAYDULL SOLVED! Fix Wordpress Error - Warning: preg_match() [function.preg-match]: Compilation failed: nothing to repeat at offset 1 in [root]/wp-includes/classes.php on line 210 211 - DAYDULL](https://daydull.com/wp-content/uploads/2010/09/wordpress-bg-medblue.png)
SOLVED! Fix Wordpress Error - Warning: preg_match() [function.preg-match]: Compilation failed: nothing to repeat at offset 1 in [root]/wp-includes/classes.php on line 210 211 - DAYDULL
![Only letters numbers and one special character at the end? - #16 by letsforum - PHP - SitePoint Forums | Web Development & Design Community Only letters numbers and one special character at the end? - #16 by letsforum - PHP - SitePoint Forums | Web Development & Design Community](https://global.discourse-cdn.com/sitepoint/original/3X/b/9/b9974a54971f89d403f245e66082c675792e4a58.png)
Only letters numbers and one special character at the end? - #16 by letsforum - PHP - SitePoint Forums | Web Development & Design Community
![Form Fields] how get the 'tel' field to allow only numbers and a max entry of numbers? : r/elementor Form Fields] how get the 'tel' field to allow only numbers and a max entry of numbers? : r/elementor](https://preview.redd.it/wmuwrrw9p4w51.png?width=831&format=png&auto=webp&s=8b7914907bab54831706f4d7b19ca1a53192101c)