Regular Expressions 101

Pro

^start of string

Group 1([0-9]:)?

?repeats the group contents below at most once:

Character Class[0-9]

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

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 2([0-9]+[a-zA-Z0-9~.+]+)

Character Class[0-9]+

+matches at least one character from the set below:

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

Character Class[a-zA-Z0-9~.+]+

+matches at least one character 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)

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

Group 3(-[0-9]+[a-zA-Z0-9~.+]+)?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

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

Character Class[a-zA-Z0-9~.+]+

+matches at least one character 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)

~the literal ~ (126₁₀ / 176₈ / 7E₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

Detailed match information will be displayed here automatically.

25 tokens

^([0-9]:)?([0-9]+[a-zA-Z0-9~.+]+)(-[0-9]+[a-zA-Z0-9~.+]+)?

New

1.0+32-s1beta1~svn1245

1.0+32-s1beta1~svn1245