Positive Integer Regular Expression

A regular expression to match a positive integer value like 10, 20, 100, etc.

/^\d+$/

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Matches:

• 0
• 100
• 2000

Non-matches:

• 123.45
• -100
• abcd

See Also:

• Regular Expression To Check If Number Is Float
• Negative Number Regular Expression

Expression Flags

Flags	Description
i	Ignore case sensitive.
g	Allows global search.
m	Allows multiline search.