Regular Expressions 101

Group 1(([^0-9][0-9]{0,9})*)

Group 2([^0-9][0-9]{0,9})*

*repeats the group contents below any number of times:

Negated Character Class[^0-9]

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

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

{0,9}matches between 0 and 9 characters from the set below:

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

Group 3(\b[0-9]{10}\b)

\ban ASCII word boundary

Character Class[0-9]{10}

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

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

\ban ASCII word boundary

Group 4(([0-9]{0,9}[^0-9])*)

Group 5([0-9]{0,9}[^0-9])*

*repeats the group contents below any number of times:

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

{0,9}matches between 0 and 9 characters from the set below:

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

Negated 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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(([^0-9][0-9]{0,9})*)(\b[0-9]{10}\b)(([0-9]{0,9}[^0-9])*)

a12 1449158360 foo 1449158360 bar