regex:alpha-numeric_and_underscore
Table of Contents
Regex - Alpha-numeric and underscore
Letters, underscore, numbers
^\w+$
Letters, underscore, numbers (2-5 in length)
^\w{2,5}
Letters, underscore, numbers and Chinese characters
^[\u4E00-\u9FA5A-Za-z0-9_]+$
regex/alpha-numeric_and_underscore.txt · Last modified: 2022/09/20 23:26 by peter