Regular Expressions 101

^start of line

\d{0,7}a digit, repeated between 0 and 7 times

Non-Capturing Group(?:\.\d{2}|\d{0,2})

1st Alternative\.\d{2}

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{2}a digit, repeated exactly 2 times

2nd Alternative\d{0,2}

\d{0,2}a digit, repeated between 0 and 2 times

$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

^\d{0,7}(?:\.\d{2}|\d{0,2})$

New

Match type:

.01
1
1.01
0
1234567.89

Unmatch type:

.012
1.098
123.456