Been busy this week.
Monthly Archives: June 2012
Regex-1.1 Regular Expression Introduction
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\w – matches a alphanumeric character
\d – matches a number
\s – matches a space
\W, \D, \S – opposite of \w, \d, \s
^ – beginning of line
$ – end of line character
. – match any character except for newline
* – 0 or more occurrence
+ – 1 or more occurrence
? – 0 or 1 occurrence
| – alternative match
(regex) – grouping/store match
[ ] – character set/class
{ x,y } – number of occurrence between x and y
{ x } – x occurrence
{ x, } – at least x occurrence
[^ ] – opposite of [ ]
*? – non greedy matching
Regular Expression Reference Guide (regex)
Very useful and covers most of the regular expression syntax.
The Power of Regular Expression
The next few videos will be covering regular expression and you will see how powerful it is for matching anything you want.