Regular Expressions 101

Pro

^start of line

Non-Capturing Group(?:40\d[0-5]|[1-3]\d{3}|\d{1,3})

1st Alternative40\d[0-5]

40the literal text 40

\da digit

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

2nd Alternative[1-3]\d{3}

Character Class[1-3]

1-3one character from 1 (49₁₀) to 3 (51₁₀)

\d{3}a digit, repeated exactly 3 times

3rd Alternative\d{1,3}

\d{1,3}a digit, repeated between 1 and 3 times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:40\d[0-5]|[1-3]\d{3}|\d{1,3})

1st Alternative40\d[0-5]

40the literal text 40

\da digit

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

2nd Alternative[1-3]\d{3}

Character Class[1-3]

1-3one character from 1 (49₁₀) to 3 (51₁₀)

\d{3}a digit, repeated exactly 3 times

3rd Alternative\d{1,3}

\d{1,3}a digit, repeated between 1 and 3 times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:40\d[0-5]|[1-3]\d{3}|\d{1,3})

1st Alternative40\d[0-5]

40the literal text 40

\da digit

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

2nd Alternative[1-3]\d{3}

Character Class[1-3]

1-3one character from 1 (49₁₀) to 3 (51₁₀)

\d{3}a digit, repeated exactly 3 times

3rd Alternative\d{1,3}

\d{1,3}a digit, repeated between 1 and 3 times

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Non-Capturing Group(?:40\d[0-5]|[1-3]\d{3}|\d{1,3})

1st Alternative40\d[0-5]

40the literal text 40

\da digit

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

2nd Alternative[1-3]\d{3}

Character Class[1-3]

1-3one character from 1 (49₁₀) to 3 (51₁₀)

\d{3}a digit, repeated exactly 3 times

3rd Alternative\d{1,3}

\d{1,3}a digit, repeated between 1 and 3 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.

25 tokens

Regular Expression

^(?:40\d[0-5]|[1-3]\d{3}|\d{1,3}),(?:40\d[0-5]|[1-3]\d{3}|\d{1,3}),(?:40\d[0-5]|[1-3]\d{3}|\d{1,3}),(?:40\d[0-5]|[1-3]\d{3}|\d{1,3})$

New

1200,2500,6500,90
1200,2500,6500,90
1200,2500,4095,90
0,0,0,0
4095,4095,4095,4095

Substitution

1200,2500,6500,90
1200,2500,6500,90
1200,2500,4095,90
0,0,0,0
4095,4095,4095,4095