Regular Expressions 101

Explanation

Pro

Character Class[A-Za-z]{2}

{2}matches exactly 2 characters from the set below:

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

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[A-Za-z]

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

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

Character Class[0-9]

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]{3}

{3}matches exactly 3 characters from the set below:

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

[A-Za-z]{2}\.[A-Za-z][0-9]\.[0-9]{3}

New

as.d3.987
Ac.p9.432
as .d3.987
Ac. p9.432
a1.d3.987
Ac.9p.432
xZ.O7.102

as.d3.987
Ac.p9.432
as .d3.987
Ac. p9.432
a1.d3.987
Ac.9p.432
xZ.O7.102