How To Remove Special Character In String PHP Regex Replace. (Also asked as, How can I delete unwanted characters from a PHP string?) The preg_replace() function performs a search with the regular expression and replaces the matches with specified replacement. In addition to ASCII Printable Characters, the ASCII standard further defines a list of special characters collectively known as ASCII Control Characters.Such characters typically are not easy to detect (to the human eye) and thus not easily replaceable using the REPLACE T-SQL function.Table 2 shows a sample list of the ASCII Control Characters. Replacing ASCII Control Characters. Don’t Miss – Check If String Contains a Sub String in PHP; Method 1 – Using substr_replace function There is a lot of options to remove all specific characters at the end of a string. PHP replacing special characters like à->a, è->e. When I use... for example, e accute, (é) and any other accute character I am getting parts of my tweet truncated. PHP string FAQ: How can I strip unwanted characters from a PHP string? ... PHP encodes UTF-8 characters in up to four bytes, like this:>>>>> But if I copy and paste a string from another site, and then input it, and that string is not ISO-8859-1, then I'll get garbage characters… Replace special characters by non-special characters. The str_replace() function finds characters in a string and replaces some characters with some other characters in a string. I suspect it has something to do with urlencode(). Certain characters such as (&, ", ', <, >) have special significance in HTML, and should be converted to HTML entities.You can use the PHP htmlspecialchars() function to convert special characters in a string to HTML entities. Syntax: And then converts them all to lowercase. Figure 2. Topic: PHP / MySQL Prev|Next Answer: Use the PHP htmlspecialchars() function. PHP Function To remove the special characters in PHP String use the following function : GitHub Gist: instantly share code, notes, and snippets. The special characters from string can be easily removed using preg_replace() function in PHP. You can use any one of the following methods as per the requirements. I also suspect that the use of that function is mandatory... ? particularly, the truncated part is always after the special character. Let’s create php method to remove special characters from string. I need to use special characters... but they don't work so well. A quick and easy free tool to remove special characters from Word cut and pastes. Answer : Use preg_replace function to use the PHP regex replace. Str_replace PHP Function. Simple Example to Escape special characters in PHP. Solution. Some of them are discussed below: Using rtrim() function: This function is an inbuilt function in PHP which removes whitespaces or other characters (if specified) from the right side of the string. Share : Twitter Facebook Telegram Whatsapp. This tutorial describes 4 methods to remove last character from a string in PHP programming language. Syntax str_replace(find,replace,string,count) You can use PHP function str_replace() to remove special characters or specific characters from string in PHP. This PHP function will use Regex (Regular expression) to remove all special characters and replace space with hyphens so your string only has letters and numbers. It makes your link friendly, good for SEO and great for naming your images/photos, url and attached file when publish them online. For use when pasting to your blog, article, sales page, or email newsletter. PHP Forums on Bytes. 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