Differences

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--- regex:regex [2020/07/15 09:30] – external edit 127.0.0.1
+++ regex:regex [2022/09/20 23:31] (current) – peter
@@ Line 5: / Line 5: @@
 ----
-===== Basic regex =====
+[[Regex:All Text|All Text]]
-^Symbol^Descriptions^
+[[Regex:All Text Not Containing|All Text Not Containing]]
-|.|replaces any character|
-|^|matches start of string|
-|$|matches end of string|
-|*|matches up zero or more times the preceding character|
-|\|Represent special characters|
-|()|Groups regular expressions|
-|?|Matches up exactly one character|
-----
+[[Regex:Alpha|Alpha]]
-===== Interval regex =====
+[[Regex:Alpha-numeric|Alpha-numeric]]
-These expressions tell us about the number of occurrences of a character in a string.
+[[Regex:Alpha-numeric and underscore|Alpha-numeric and underscore]]
-^Expression^Description^
+[[Regex:Cheat Sheet|Cheat Sheet]]
-|{n}|Matches the preceding character appearing 'n' times exactly|
-|{n,m}|Matches the preceding character appearing 'n' times but not more than m|
-|{n, }|Matches the preceding character only when it appears 'n' times or more|
+[[Regex:Chinese characters|Chinese characters]]
-----
+[[Regex:Digits|Digits]]
-===== Extended regex =====
+[[Regex:File Path|File Path]]
-These regular expressions contain combinations of more than one expression.
+[[Regex:Numbers|Numbers]]
+[[Regex:Unicode|Unicode]]
-^Expression^Description^
-|\+|Matches one or more occurrence of the previous character|
-|\?|Matches zero or one occurrence of the previous character|
 ----
-===== Brace expansion =====
+===== References =====
-The syntax for brace expansion is either a sequence or a comma separated list of items inside curly braces "{}".
+https://en.wikipedia.org/wiki/Regular_expression
-The starting and ending items in a sequence are separated by two periods "..".
+https://www.regular-expressions.info/refadv.html
-^Expression^Description^
-|{a,b,c,d}|Matches the actual characters in the braces.  Example: echo {a,b,c,d}|
-|{a..z}|Matches a thru z.  Example: echo {a..z}|
-|{0..9}|Matches 0 thru 9.  Example: echo {0..9}|
-----
+https://www.rexegg.com/regex-disambiguation.html