Regular Expressions 101

Explanation

Pro

.any character (except for line terminators)

tableinfothe literal text tableinfo (case sensitive)

Group 1(\.([0-9]{10}))?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 2([0-9]{10})

Character Class[0-9]{10}

{10}matches exactly 10 characters from the set below:

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

Group 3(\.([0-9]+))?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 4([0-9]+)

Character Class[0-9]+

+matches at least one character from the set below:

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

.tableinfo(\.([0-9]{10}))?(\.([0-9]+))?$

New

.tableinfo
.tableinfo.0000000001
.tableinfo.0000000001.1039
.tableinfo.0000000001.66
.tableinfo.0000000001.666

.tableinfo
.tableinfo.0000000001
.tableinfo.0000000001.1039
.tableinfo.0000000001.66
.tableinfo.0000000001.666