Regular expression is a way to match string with particular characters, words, or patterns of characters. It is difficult to remember the match pattern syntax.
Now you can use Expresso to design your regular expression without too much memory. You can down Expresso from:
http://www.ultrapico.com/Expresso.htm
After you install Expresso, you can do a test as following:
* Select the "Test Mode" tab
* Open the sample project from the File menu
* Click the "Run Match" button
* Observe the Search Results pane
* Expand the tree for details and click an item
* See it highlighted in the input text
* Click on the Expression Library tab and double-click on another expression
* "Run Match" again
Video: Understanding Regular Expressions
Series for the web administrator. Understanding Regular Expressions with a focus on URL Rewrite.
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