Regular Expressions 101

^start of line

Group 1(([2-9]\d|1[2-9]).\d{1,}|11.([2-9]|\d{2,}))

1st Alternative([2-9]\d|1[2-9]).\d{1,}

Group 2([2-9]\d|1[2-9])

1st Alternative[2-9]\d

Character Class[2-9]

2-9one character from 2 (50₁₀) to 9 (57₁₀)

\da digit

2nd Alternative1[2-9]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[2-9]

2-9one character from 2 (50₁₀) to 9 (57₁₀)

.any character (except for line terminators)

\d{1,}a digit, repeated at least once

2nd Alternative11.([2-9]|\d{2,})

11the literal text 11

.any character (except for line terminators)

Group 3([2-9]|\d{2,})

1st Alternative[2-9]

Character Class[2-9]

2-9one character from 2 (50₁₀) to 9 (57₁₀)

2nd Alternative\d{2,}

\d{2,}a digit, repeated at least 2 times

Group 4(.\d+)*

*repeats the group contents below any number of times:

.any character (except for line terminators)

\d+a digit, repeated at least once

$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.

Search reference

Regular Expression

^(([2-9]\d|1[2-9]).\d{1,}|11.([2-9]|\d{2,}))(.\d+)*$

New

9.1
9.5
11.0
11.21
12.0
99.1