backreference Examples and Free Source Code

Named backreferences with preg_replace...

php regex preg-replace backreference

How do I use more than nine backreferences in Notepad++ regexp?...

regex replace notepad++backreference capturing-group

Regular expression for duplicate words...

regex duplicates backreference capture-group

sed - Back reference on match pattern does not work...

regex macos sed backreference

What's the difference between \1 versus $1 in the second paramter of preg_replace()?...

php regex preg-replace backreference capture-group

Why are all backreferences in replacement string of preg_replace() empty?...

php regex preg-replace backreference capture-group

How to access capture groups in the replacement parameter of preg_replace()?...

php regex preg-replace backreference capture-group

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

php regex replace preg-replace backreference

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

php replace preg-replace quoting backreference

sed to parse compiler warning message...

sed backreference

Write a back reference in regular terms to determine the equality of two numbers...

regex bash equality backreference

How does backreferencing in the search pattern work in GNU Sed?...

sed backreference gnu-sed

Notepad++ Regex Backreference syntax in Search/Replace - \1 or $1...

regex escaping notepad++replace backreference

Multiple Backreferences in Matcher.replaceAll()...

java regex backreference

Fails to match when using backreference...

regex backreference

Back-reference when preprend using sed linux command...

regex linux sed prepend backreference

Regular expression for extracting a noun in variable order...

javascript regex regex-group backreference named-captures

Extract capture group matches from regular expressions? (or: where is gregexec?)...

regex r backreference

back reference with sed command getting unexpected result...

unix sed backreference

Error "sre_constants.error: unmatched group" when using Pattern.sub(r'\1'...

python regex python-2.7 backreference

Numerical reference for backreference not working out in Python...

python regex backreference capture-group

vim: substitute characters from backreference...

regex vim backreference

PCRE Regex - Backreference not working inside lookahead or after pipe...

regex regex-lookarounds pcre backreference

Can you use back references in the pattern part of a regular expression?...

php regex backreference

Is it possible to use the backreference of match result as a match of another capture group?...

c#.net regex regexp-replace backreference

Wrap first word in <b> tag with preg_replace -- can't reference fullstring match...

php regex preg-replace backreference

GNU grep, backreferences and wildcards...

grep wildcard backreference

Are back references possible in flex (lexical analyser)?...

regex flex-lexer lexical-analysis backreference

Javascript Regex Replace Without Resolving Backreference...

javascript escaping backreference

Regex group with pipe (2 valid patterns), negative backreference to that group and choose the other ...

python regex regex-lookarounds backreference