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lastgroup attribute (Python) lastindex attribute (Python) lazy quantifiers line end of start of lookaround constructs lookbehind |
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m// (Matching) match and capture Java (java.util.regex) JavaScript PCRE lib Perl Version 5.8 PHP Match class (.Net) match function (Python) 2nd match method, String class (JavaScript) Match objects (Python) matching, iterative metacharacters 2nd Java (java.util.regex) Perl Version 5.8 mode modifiers 2nd .Net framework Java (java.util.regex) JavaScript PCRE lib Perl Version 5.8 Python shell tools vi editor modifiers, mode [See mode modifiers] Module Functions multiline mode |
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named capture negated character classes .NET framework anchors and zero-width tests character classes and class-like constructs character representations comments and mode modifiers grouping, capturing, conditional, and control NFA engines POSIX Traditional Nondeterministic Finite Automaton (NFA) |
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octal escape |
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parentheses capturing and grouping grouping-only pattern matching PCRE API Synopsis PCRE lib anchors and zero-width tests character classes and class-like constructs character representations comments and mode modifiers examples 2nd grouping, capturing, conditional, and control Unicode support pcre_compile( ) function (PCRE) pcre_config( ) function (PCRE) pcre_copy_named_substring( ) function (PCRE) pcre_copy_substring( ) function (PCRE) pcre_exec( ) function (PCRE) 2nd pcre_free_substring( ) function (PCRE) pcre_free_substring_list( ) function (PCRE) pcre_fullinfo( ) function (PCRE) pcre_get_named_substring( ) function (PCRE) pcre_get_stringnumber( ) function (PCRE) pcre_get_substring( ) function (PCRE) pcre_get_substring_list( ) function (PCRE) pcre_study( ) function (PCRE) pcre_version( ) function (PCRE) Perl Compatible Regular Expression (PCRE) library [See PCRE lib] Perl Version 5.8 anchors and zero-width tests character classes and class-like constructs character representations comments and mode modifiers grouping, capturing, conditional, and control metacharacters regular expression operators single quotes Unicode support PHP anchors and zero-width tests character classes and class-like constructs character representations comments and mode modifiers examples grouping, capturing, conditional, and control pattern matching functions pos attribute (Python) POSIX character classes POSIX NFA engines preg_match function (PHP) preg_match_all function (PHP) preg_quote function (PHP) preg_replace function (PHP) preg_replace_callback function (PHP) preg_split function (PHP) Python anchors and zero-width tests character representations comments and mode modifiers examples grouping, capturing, conditional, and control Unicode support |