Regular Expressions 101

Explanation

Pro

^start of line

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Group 1((13|2[2-4]|3|4[05-8]|5[05]|6[24-689]|8[2468]|9[235-7])\d{7}|1[0125]\d{8})

1st Alternative(13|2[2-4]|3|4[05-8]|5[05]|6[24-689]|8[2468]|9[235-7])\d{7}

Group 2(13|2[2-4]|3|4[05-8]|5[05]|6[24-689]|8[2468]|9[235-7])

1st Alternative13

13the literal text 13

2nd Alternative2[2-4]

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Character Class[2-4]

2-4one character from 2 (50₁₀) to 4 (52₁₀)

3rd Alternative3

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

4th Alternative4[05-8]

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

Character Class[05-8]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

5-8one character from 5 (53₁₀) to 8 (56₁₀)

5th Alternative5[05]

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

Character Class[05]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

6th Alternative6[24-689]

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Character Class[24-689]

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

4-6one character from 4 (52₁₀) to 6 (54₁₀)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

7th Alternative8[2468]

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

Character Class[2468]

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

8th Alternative9[235-7]

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

Character Class[235-7]

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

5-7one character from 5 (53₁₀) to 7 (55₁₀)

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

2nd Alternative1[0125]\d{8}

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[0125]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

\d{8}a digit, repeated exactly 8 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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

26 tokens

Regular Expression

^0((13|2[2-4]|3|4[05-8]|5[05]|6[24-689]|8[2468]|9[235-7])\d{7}|1[0125]\d{8})$

New

0237802486
0237794824
0225292828
0222803359
0244672263
0683362700
0927922556
01020304050
01177777777
01234567890
01018028445
01015030111

Substitution

0237802486
0237794824
0225292828
0222803359
0244672263
0683362700
0927922556
01020304050
01177777777
01234567890
01018028445
01015030111