preg-replace Examples and Free Source Code

Replace square brace placeholder with dynamic replacement text...

php regex dynamic preg-replace placeholder

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

php regex preg-replace sanitization blacklist

Replace single backslash with two backslashes using preg_replace()...

php regex escaping preg-replace backslash

Remove a specific key-value pair from the query string of a URI string...

php replace uri preg-replace query-string

Call function as replacement parameter of preg_replace()...

php callback preg-replace

preg_replace() with e modifier: reference object in replacement...

php object reference preg-replace

Append text immediately after a regex match -- "$0$n" is misinterpreted by preg_replace()...

php regex replace preg-replace backreference

Remove or obscure text scraped from a web address...

php regex preg-replace text-parsing redaction

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

php regex xml preg-replace sanitization

Replace curly braced placeholders where the placeholder name starts with a dollar sign...

php regex preg-replace placeholder curly-braces

Convert snake_case string to PascalCase (aka StudlyCase)...

php regex preg-replace pascalcasing snakecasing

Make first letter of whitelisted words uppercase...

php regex callback preg-replace uppercase

Backreference \1 in replacement string of preg_replace() is not substituting the captured text from ...

php replace preg-replace quoting backreference

Escape plain text characters in a string which includes a date format expression to be passed into a...

php date escaping preg-replace preg-match

preg_replace add "00" after $1 without spaces in Replacement...

php replace preg-replace

Replace placeholder between two pipes with an HTML <img> tag and use the placeholder's val...

php regex replace preg-replace placeholder

Delete non number containing braces from string...

php regex preg-replace preg-match preg-match-all

Remove all opening and closing parentheses in a string...

php regex preg-replace pcre parentheses

Why wrap a backreference number in curly braces in the replacement string of a preg_replace()?...

php regex preg-replace

Remove Euro price substrings from a delimited string...

php regex string preg-replace

Replace preg_replace() e modifier with preg_replace_callback...

php regex preg-replace preg-replace-callback

Replace all characters except letters, numbers, spaces and underscores...

php regex preg-replace ereg-replace

Regex capture price endings .00 and ,00...

php regex preg-replace

Replace preg_replace with preg_replace_callback due to e modifier deprecation...

preg-replace preg-replace-callback

Remove square brackets from wiki markup...

php preg-replace markup

PHP perl regular expression - URL not preceded by equal sign and possible single or double quote...

php regex preg-replace pcre

Parse <meta> tag with specified attribute and extract another attribute's value...

php attributes html-parsing preg-replace meta-tags

How to return a regular expression match in PHP, instead of replacing...

php preg-replace

preg_replace() versus preg_filter()...

php preg-replace preg-filter

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

php regex preg-replace slug sanitization