What means + and * in regex expession -


this question has answer here:

i have regex expression ^[?+ a-za-z0-9]*$, it's not clear + , * means. searched on internet, did not find clear explanation. lot.

they quantifiers repeating patterns before them.

http://www.regular-expressions.info/repeat.html


Comments

Popular posts from this blog

android - InAppBilling registering BroadcastReceiver in AndroidManifest -

python Tkinter Capturing keyboard events save as one single string -

sql server - Why does Linq-to-SQL add unnecessary COUNT()? -