Regular Expressions 101

Pro

^start of line

Positive Lookahead(?=([0-9]*[a-z]){2,})

Group 1([0-9]*[a-z]){2,}

{2,}repeats the group contents below at least 2 times:

Character Class[0-9]*

*matches any number of characters from the set below:

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

Character Class[a-z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

Group 2([a-zA-Z0-9]{8,32})

Character Class[a-zA-Z0-9]{8,32}

{8,32}matches between 8 and 32 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

$end of line

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]*[a-z]){2,})([a-zA-Z0-9]{8,32})$

1a2b3cd2312321
12q32131231231f
32132131231231231231221
aa
12222a22333fw342434234234weqweqweqweqweqweqweqweqweqweqweqweqwewqeqweqwewqeqweqweqweqweqw
12222a22333fw342434234234weqweqw