Regular Expressions 101

Character Class[/+ #_;.-]?

?matches at most one character from the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Negative Lookbehind(?<![0-9])

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Character Class[0-9]{9,10}

{9,10}matches between 9 and 10 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Negative Lookahead(?![0-9])

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

[/+ #_;.-]?(?<![0-9])[0-9]{9,10}(?![0-9])

New

12
123456789
1234567890
123456789/1234567890
123456789/1/123456789
123456789+1234567890
Order number: 6508955960_000010_1005500