Regular Expressions 101

\ban ASCII word boundary

10the literal text 10

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d*a digit, repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 1(3[2-9]|(4|5)[0-9]|6[0-3])

1st Alternative3[2-9]

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

Character Class[2-9]

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

2nd Alternative(4|5)[0-9]

Group 2(4|5)

1st Alternative4

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

2nd Alternative5

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

Character Class[0-9]

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

3rd Alternative6[0-3]

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Character Class[0-3]

0-3one character from 0 (48₁₀) to 3 (51₁₀)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(19[2-9]|2\d\d)

1st Alternative19[2-9]

19the literal text 19

Character Class[2-9]

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

2nd Alternative2\d\d

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

\da digit

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

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Search reference

Regular Expression

\b10\.\d*\.(3[2-9]|(4|5)[0-9]|6[0-3])\.(19[2-9]|2\d\d)

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