sanitization Examples and Free Source Code

Remove non-<img> tags from string...

php html regex sanitization strip-tags

Remove excess newlines/whitespace from multi-line <img> tag in HTML string...

php regex image multiline sanitization

Get sequences of numeric values which have a distinctive starting format as a sanitized array of del...

php regex preg-match text-extraction sanitization

Eliminate meaningless words from a block of text...

php regex preg-replace sanitization

Remove duplicated words from a space delimited string...

php regex duplicates cpu-word sanitization

Remove hash symbols from string (str_replace() doesn't modify by reference)...

php string replace sanitization

Sanitize/Slugify a string by replacing non-alphanumeric and non-hyphen characters...

php string replace sanitization slugify

Remove all hash symbols in a string...

php replace string-literals sanitization

Removing two blacklisted characters from a string...

php replace string-literals sanitization

Replace one or more word characters with an underscore...

php regex replace sanitization snakecasing

Get all float numbers following an @ symbol...

php regex preg-replace sanitization textmatching

Replace a blacklisted word even if it has extra characters between matching characters...

php regex preg-replace sanitization blacklist

Remove div element with specific class from HTML document...

php html-parsing sanitization removechild

Remove any tag attributes from all closing tags found in a poorly written XML string...

php regex xml preg-replace sanitization

Remove parent <p> tag if its only child is an <img> tag...

php regex wordpress html-parsing sanitization

Change from preg_match() to preg_replace() and to remove matched <head> content...

php regex replace sanitization

Get value of a particular key in the query string of an <a> tag's href value...

php regex href url-parameters sanitization

Remove non-letters and letters not preceded by specified characters or at the start of the string...

php regex replace sanitization

Keep only one instance of a specified character consecutively repeated...

php regex repeat sanitization

Remove language-specifier from URL path string...

php regex url sanitization

Remove letters and spaces which immediately follow the first two letters in a string...

php regex replace sanitization

Sanitizing user input before adding it to the DOM in Javascript...

javascript escaping xss sanitization

When is it best to sanitize user input?...

xss sql-injection user-input sanitization

Truncate string at second occurrence of a character...

php string sanitization truncation

Constant FILTER_SANITIZE_STRING is deprecated...

php filter sanitization php-8.1

When sanitize/encode while implementing tags system like on SO...

security encoding fetch-api razor-pages sanitization

Convert string into slug with single-hyphen delimiters only...

php regex preg-replace slug sanitization

Why doesn't preventDefault() of an input event stop changes to the value of a form element...

javascript event-handling textinput sanitization preventdefault

Remove everything before the dash from a Laravel array...

php arrays replace sanitization

How do I convert a string into safe SQL String?...

.net sql sanitization