Tag Archives: regex

regex cheat sheet

Share Special Sequences \w - Any “word” character (a-z 0-9 _) \W - Any non “word” character \s - Whitespace (space, tab CRLF) \S - Any non whitepsace character \d - Digits (0-9) \D - Any non digit character . - (Period) – Any character except newline … Continue reading

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regex: match all including new line

ShareI was looking for a way to match all characters plus new line and using “.” is not solely the answer because: The dot matches a single character, without caring what that character is. The only exception are newline characters. … Continue reading

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regex: matching character +

Shareregex matching charater “+” Example: ad+ will match add, adD, addng but not ab or ac or a Related article: http://dreamluverz.com/developers-tools/regex/regex-matching-characters

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preg_match case insensitive

Share preg_match case insensitive <?php // The ”i” after the pattern delimiter indicates a case-insensitive search if (preg_match(“/php/i”, ”PHP is the web scripting language of choice.”)) {     echo ”A match was found.”; } else {     echo ”A match was not found.”; } ?>

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regex: backreferences

ShareBackreferences Perhaps the most powerful element of the regular expression syntax, backreferences allow you to load the results of a matched pattern into a buffer and then reuse it later in the expression. In a previous example, we used two … Continue reading

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