Questions:

• How do I retrieve the position of the first occurrence of a match?   1 answer
• How can I use backrefs in a lookbehind?   2 answers
• How do I apply switches like /i or /g to a qr regexp?   1 answer
• How do I match for a pattern in an array element delimited with a /   2 answers
• Can I regex & grep to select contiguous lines?   1 answer
• How do I remove a specific keyword from a HTML page   3 answers
• Using RegExp with hashes and returning multiple values   2 answers
• How do I remove control characters?   3 answers
• how do i replace brackets in a regex?   3 answers
• is there an empty string character like in formal regexs?   1 answer
• How do I replace a URL with a clickable hyperlink?   4 answers
• how do i replace link=#ccffcc (ex.) in a html line...   1 answer
• How do I validate an email address?   5 answers
• How do I match/extract a function from a JavaScript file?   3 answers
• how-to strip empty HTML tags like <b> </b>   3 answers
• Using constants in regexes?   4 answers
• How do I use a regex to identify a / character at the beginning of a string?   3 answers
• Subroutines in a regex?   2 answers
• How do i split the output of ps -aef   2 answers
• How do I change .. to the real filename?   5 answers
• Strip that XML!   3 answers
• How do I match this without lookbehind?   5 answers
• How do I match a number range?   4 answers
• Regex anchor speed ?: Is /^.*X/ faster than /X/ ?   3 answers
• How do I strip lines prefixed by a "#"   6 answers
• How to efficiently return the set of REGEX expressions matching 1 line of input?   3 answers
• How do I get what is to the left of my match?   3 answers
• How do I escape '#' pound sign?   2 answers
• How can a regex match every occurence of a string?   1 answer
• How can I split on a string except when inside quotes?   3 answers
• How do I surround commas with escaped double-quotes?   3 answers
• How do I escape metacharacters in a user-defined string?   2 answers
• How would I replace the string 'Red1' with $Red[1]?   2 answers
• How can I transliterate between languages?   1 answer
• How can I match a multi-line regexp?   4 answers
• How do i find $a and replace it with $b when it's preceded by $c?   5 answers
• How do I retrieve specific column values from a table of records?   2 answers
• How do I split a string on highly structured/nested data?   3 answers
• How would I find a piece of html from a sourcefile.html?   2 answers
• Apply regex to entire file, not just individual lines ?   4 answers
• How do I get the last occurrence of a word (or words) in a file?   2 answers
• How do I split up a long string with no spaces?   3 answers
• What can regular expressions NOT do?   7 answers
• How do I match for several strings, matching the longest stringfirst?   2 answers
• How do I extract all text between two keywords like start and end?   7 answers
• How do I write a regex which allows meta-quoting?   1 answer
• How can I find nested delimiters?   5 answers
• How do I split a file into separate sections?   3 answers
• How do I handle mid-line carriage returns in a flatfile database?   5 answers
• How do I escape meta-characters in a user-defined string?   1 answer
• How can use Perl to strip away some nested HTML markup code, like <SCRIPT> ?   4 answers
• How do I find $a only where it's not followed by $b and then replace it with $c?   1 answer
• How do I escape special characters like . / or | in a regular expression?   4 answers
• How do I remove whitespace at the beginning or end of my string?   13 answers
• How do I find the Nth occurrence of a pattern?   7 answers

If you have a question you would like to ask, please submit it in Seekers of Perl Wisdom. Categorized Questions are intended to be carefully chosen and worded by more experienced monks. Read the documentation for more information.
Thank you.