Regular Expressions 101

\ba Unicode word boundary

Non-Capturing Group(?:[89]|1[0-3])

1st Alternative[89]

Character Class[89]

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

2nd Alternative1[0-3]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[0-3]

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

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:[0-9]|1[0-5])

1st Alternative[0-9]

Character Class[0-9]

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

2nd Alternative1[0-5]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[0-5]

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

\ba Unicode word boundary

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

\b(?:[89]|1[0-3])/(?:[0-9]|1[0-5])\b

New

Enter a slot/port : 8/2    
Enter a slot/port : 1/0    
Enter a slot/port : 8/15