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Do both alternatives match when using | in Perl regular expressions?

regex perl

perl : how to split?

regex perl split substr

Regex using PHP, any non-zero number containing the digits 0-9

php regex preg-match

What is the regular expression for Date format dd\mm\yyyy?

java regex

Javascript regex for allowing only positive digits

javascript regex

is [0-9a-fA-F] the same as [0-9a-f-A-F]?

regex grep

Automatically inserting line breaks in long string

regex r gsub

sed replace second last line of file

regex linux sed

Regular expression to find "src" attribute of HTML "img" element in PHP

php html regex

jQuery / Regex: remove all p tags [duplicate]

Java Regex to count & delete spaces at beginning of a line?

java regex

Delphi TRegEx Replace

regex delphi

Split column into multiple columns R

regex r split dataframe

regex to get string between two % characters

ios regex swift

Regex for a string which do not start with a number and allow only alphanumeric

javascript regex

Python parsing

Why do these javascript regex throw syntax errors?

javascript regex

How can I keep only the first five lines in a Perl scalar?

regex perl lines scalar

Using Perl, how can I sort an array using the value of a number inside each array element?

regex perl algorithm sorting

Strip off everything after #anchor including the #anchor

javascript regex