#regex
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- programming_languages • intermediateHow Hard Is It to Learn Perl? A Practical, Honest Guide
- debugging • intermediateHow to debug regex patterns in Perl?
- one-liners • intermediateHow to print matching groups from regex with perl -ne?
- one-liners • beginnerHow to count occurrences of a pattern using perl -ne?
- one-liners • intermediateHow to extract IP addresses from log with perl one-liner?
- one-liners • beginnerHow to delete lines matching a pattern with perl one-liner?
- text-processing • beginnerHow to perform case-insensitive search and replace in Perl?
- text-processing • beginnerHow to remove HTML tags from text in Perl?
- text-processing • intermediateHow to parse Apache log format in Perl?
- text-processing • beginnerHow to extract numbers from mixed text in Perl?
- text-processing • intermediateHow to replace multiple patterns in one pass in Perl?
- text-processing • intermediateHow to validate email format using Perl regex?
- text-processing • intermediateHow to extract URLs from HTML content in Perl?
- text-processing • intermediateHow to extract email addresses from text file using Perl?
- system-admin • intermediateHow to find and replace text in log files using Perl?
- testing • beginnerHow to test regular expressions with like in Perl Test::More?
- regex • advancedHow to validate email addresses using Perl regex?
- regex • intermediateHow to split a string by regex pattern in Perl?
- regex • intermediateHow to use greedy vs non-greedy quantifiers in Perl regex?
- regex • beginnerHow to match start and end of string with ^ and $ in Perl?
- regex • beginnerHow to use alternation | in Perl regex?
- regex • intermediateHow to use the qr// operator to compile regex in Perl?
- regex • advancedHow to match Unicode characters in Perl regex?
- regex • advancedHow to use the /e modifier for code evaluation in substitution?
- regex • intermediateHow to perform regex match and extract all matches in Perl?
- regex • beginnerHow to use the \d, \w, \s character classes in Perl regex?
- regex • intermediateHow to use negated character classes [^...] in Perl regex?
- regex • beginnerHow to use character classes [a-z] in Perl regex?
- regex • beginnerHow to escape special characters in Perl regex?
- regex • intermediateHow to match word boundaries with \b in Perl regex?
- regex • advancedHow to use negative lookbehind (?<!...) in Perl regex?
- regex • advancedHow to use lookbehind assertions (?<=...) in Perl regex?
- regex • advancedHow to use negative lookahead (?!...) in Perl regex?
- regex • advancedHow to use lookahead assertions (?=...) in Perl regex?
- regex • intermediateHow to use the /m modifier for multi-line anchors in Perl?
- regex • intermediateHow to match across multiple lines with /s modifier in Perl?
- regex • intermediateHow to use the /x modifier for readable regex in Perl?
- regex • beginnerHow to perform a global substitution in Perl?
- regex • intermediateHow to use non-capturing groups (?:...) in Perl regex?
- regex • intermediateHow to access captured groups using $1, $2 in Perl?
- regex • intermediateHow to use capture groups in Perl regex?
- regex • beginnerHow to use the global modifier /g in Perl regex?
- regex • beginnerHow to use the case-insensitive modifier /i in Perl regex?
- regex • beginnerHow to perform a simple regex match in Perl?
- text-processing • intermediateHow to extract and format data from unstructured text
- regex • intermediateHow to use the /g modifier for global matching
- one-liners • intermediateHow to use Perl one-liners to find and replace across files
- regex • advancedHow to use lookahead and lookbehind in Perl regex
- regex • intermediateHow to use the /x modifier for readable regex
- regex • intermediateHow to use named capture groups in Perl regex
- one-liners • intermediateHow to write a Perl one-liner to replace text in files