php regex strip non alphanumeric
pregreplace() is Perl Compatible Regular Expression (PCRE) function to replace a matchRegExp() to strip comments in CSS? Refactoring a generator function. Browse more PHP Questions on Bytes. Im trying to use a regular expression (in php) to find a specific string which must be followed by a non-alpha numeric character (case insensitive).Not necessarily a string followed by a non-alphanumeric. You can achieve this with the b word boundary regex anchor Php Regex Strip Non Alphanumeric.A regular expression, regex or regexp (sometimes called a rational expression) is, in theoretical computer science and formal language theory, a sequence of This php code will help you delete, remove, strip and erase any non- alphanumeric characters, and then return the data without the unwanted characters.how if you want to have dot (.) kept in the string? what is your regular expression? In the past, when I first started using PHP in order to filter out bad characters for file uploads, seo friendly URL names and other things I created an array of bad characters.A more powerful and easy way to do this would be with regular expressions and filter just alpha-numerical characters. [f8] Strip non alphanumeric characters from a string. by CWC in PHP. title says it all really, I cant find any inbuilt functionTAGS: Regex expression using word boundary matching. Regular expression for allowing a user to enter alphanumeric characters and only one non-alphanumeric character. Tags: php regex string. Related post. Strip Non alpha numeric characters from string in python butstackoverflow.com/questions/574603/what-is-the-fastest-way-of-stripping- non-alphanumeric-ch.Regex - Strip non numeric and remove cents if any 2011-01-13. Asked by: RegEx in TSQL - replace non-alphanumeric characters etc.SQL Server dont have a build-in function for regular expressions (RegEx) you would have to use a CLR implementaion, see Regular Expressions Make Pattern Matching And Data Extraction Easier.