Regular Expressions 101

Pro

^start of line

Group 1([78]\d{10}|1\d{9}|0\d{6}[78]\d{10}|0\d{7}1\d{9})

1st Alternative[78]\d{10}

Character Class[78]

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

\d{10}a digit, repeated exactly 10 times

2nd Alternative1\d{9}

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

\d{9}a digit, repeated exactly 9 times

3rd Alternative0\d{6}[78]\d{10}

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

\d{6}a digit, repeated exactly 6 times

Character Class[78]

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

\d{10}a digit, repeated exactly 10 times

4th Alternative0\d{7}1\d{9}

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

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

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

\d{9}a digit, repeated exactly 9 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

^([78]\d{10}|1\d{9}|0\d{6}[78]\d{10}|0\d{7}1\d{9})$

New

85556987456
75556987456
1555698745
000000085556987456
000000075556987456
000000001556987456
123091
981279381273
098
asdasd
0123901023910293010293
00000000000000

Extraction

85556987456
75556987456
1555698745
000000085556987456
000000075556987456
000000001556987456
123091
981279381273
098
asdasd
0123901023910293010293
00000000000000