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Regular Expression Details

Title Test Find Screen name
Expression
^([\w][\w\-_\u0020]{4,18}[\w])$
Description
Tests that a screen name begins and ends with an alphanumeric, and otherwise use alphanumeric characters, hyphens, and underscores. Dictates length between 6 and 20 characters
Matches
Screen Name, screen_name1, 222_screen
Non-Matches
name, wayTooLong_ScreenName, *Screen&Name@!
Author Rating: The rating for this expression. Keith Stacy
Source
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