Regular Expressions 101

^start of line

Group 1(((([0,2][1-9])|([1,3-8][0-9])|(9[0-6])|(2A)|(2B))[0-9]{2})|((97[1-8]|98([4,6-9]))[0-9]{1}))

1st Alternative((([0,2][1-9])|([1,3-8][0-9])|(9[0-6])|(2A)|(2B))[0-9]{2})

Group 2((([0,2][1-9])|([1,3-8][0-9])|(9[0-6])|(2A)|(2B))[0-9]{2})

Group 3(([0,2][1-9])|([1,3-8][0-9])|(9[0-6])|(2A)|(2B))

1st Alternative([0,2][1-9])

Group 4([0,2][1-9])

Character Class[0,2]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

2nd Alternative([1,3-8][0-9])

Group 5([1,3-8][0-9])

Character Class[1,3-8]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

3-8one character from 3 (51₁₀) to 8 (56₁₀)

Character Class[0-9]

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

3rd Alternative(9[0-6])

Group 6(9[0-6])

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

Character Class[0-6]

0-6one character from 0 (48₁₀) to 6 (54₁₀)

4th Alternative(2A)

Group 7(2A)

2Athe literal text 2A (case sensitive)

5th Alternative(2B)

Group 8(2B)

2Bthe literal text 2B (case sensitive)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

2nd Alternative((97[1-8]|98([4,6-9]))[0-9]{1})

Group 9((97[1-8]|98([4,6-9]))[0-9]{1})

Group 10(97[1-8]|98([4,6-9]))

1st Alternative97[1-8]

97the literal text 97

Character Class[1-8]

1-8one character from 1 (49₁₀) to 8 (56₁₀)

2nd Alternative98([4,6-9])

Character Class[0-9]{1}

Character Class[1-9]

$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

No unit tests · Add a test to get started

Search reference

Regular Expression

^(((([0,2][1-9])|([1,3-8][0-9])|(9[0-6])|(2A)|(2B))[0-9]{2})|((97[1-8]|98([4,6-9]))[0-9]{1}))[1-9]$

Unit Tests

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