regex Examples and Free Source Code

Print capture groups for every match...

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How to get the next word after a keyword...

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Regex match reverse...

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Split string after each number...

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Elasticsearch Query on indexes whose name is matching a certain pattern...

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Split $_GET keys between their leading word and their numeric suffix...

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What does "(?P<word>subexpression)" mean in a PHP regex pattern?...

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Regex string extraction only shows "1"...

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Regex pattern works in a regex sandbox, but not with PHP's preg_match() as a double quoted strin...

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Parse lines of multiline text into subarrays of components...

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How can I split a string into an array of substrings with regular expressions in PHP?...

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preg_split() with regex pattern containing a slash and using slashes as delimiters doesn't retur...

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Sed append regex capture groups...

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How to extract the substrings between slashes in a string...

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How to split a string containing HTML table markup into whole <tr>...</tr> segments...

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How to use preg_split() to split on spaces or double-quoted expressions including optional leading/t...

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preg_split() with PREG_SPLIT_NO_EMPTY|PREG_SPLIT_DELIM_CAPTURE as the third parameter only returns a...

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While using preg_split(), \w* doesn't match hyphenated substrings...

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How to split between <p> tags without consuming the leading <p> tag...

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Split String contain Brackets in PHP...

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Split a string before and after each squared braced expression...

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PHP: get substring of string from start to the 3rd occurrence of '%'...

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Regex to find integers and decimals in string...

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Regular expression to extract numbers from a string...

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Python RE didn't find the last empty string in back reference pattern...

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Can I use preg_split() to extract pairs of delimited substrings from a multiline string?...

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How to count the number of sentences in a string...

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What do characters ".", "*", "^", and "$" mean in a regular ...

php regex preg-split

Regex pattern starting with [0-9]+ emits "Unknown modifier '+'" error in PHP...

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Using a pipe for alternation and pipes as regex delimiters causes preg_split() to fail...

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