Regular Expressions 101

^start of line

Character Class[6|7|8|9]

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

Non-Capturing Group(?:\d{7}|\d{3}\s*-\s*\d{4})

1st Alternative\d{7}

\d{7}a digit, repeated exactly 7 times

2nd Alternative\d{3}\s*-\s*\d{4}

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

\s*any whitespace character, repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\s*any whitespace character, repeated any number of times

\d{4}a digit, repeated exactly 4 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.

26 tokens

Regular Expression

^[6|7|8|9](?:\d{7}|\d{3}\s*-\s*\d{4})$

New

Substitution