Differences

This shows you the differences between two versions of the page.

--- system:regex:regex_notation [2018/04/13 11:40]
smayr [Regex Quick Reference]
+++ system:regex:regex_notation [2018/04/13 11:52] (current)
smayr [Regex Quick Reference]
@@ Line 25: / Line 25: @@
 General Tokens:
+^ Symbol       ^ Description ^
 | \n           | Newline |
 | \r           | Carriage return |
 | \t           | Tab |
+| \f           | Form-feed |
 | \0           | Null character |
 Anchors:
+^ Symbol       ^ Description ^
 | \G           | Start of match |
 | <nowiki>^</nowiki>            | Start of string |
@@ Line 42: / Line 45: @@
 | \W           | Any non-word character |
+Flags/Modifiers (eg: "/regex here.../g"):
-Flags/Modifiers (eg: "/.../i"):
+^ Symbol       ^ Description  ^
-| g  | Blobal |
+| g  | Global (do not return after first match) |
 | i  | Case insensitive |
-| m  | Multiline (make dot match newlines)  |
+| m  | Multiline (dot matches newlines, <nowiki>^</nowiki> and $ match start/end of line)  |
-| s  | Single line  |
+| s  | Single line (dot matches newline) |
-| u  | Unicode |
+| u  | Unicode (match with full unicode) |
-| x  | Ignore whitespace |
+| x  | eXtended (ignore whitespace) |
+| X  | eXtra (disallow meaningless excapes|
 | o  | Perform #{...} substitutions only once |
+| A  | Anchored (anchor to start of pattern) |
+| J  | Duplicate group names (allow duplicate subpattern names) |
+| D  | Dollar end only ($ matches only end of pattern) |
 == Using Regex in PHP ==
@@ Line 86: / Line 93: @@
 == References ==
   * [[http://www.rexegg.com/regex-quickstart.html|Regex Cheat Sheet]]
+  * [[https://regex101.com|Regex 101]]