Regular Expressions 101

Explanation
Pro

Group 1(\+[1-9]\d{0,2}[- ]?)?

?repeats the group contents below at most once:

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d{0,2}a digit, repeated between 0 and 2 times

Character Class[- ]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

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

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(\+[1-9]\d{0,2}[- ]?)?[1-9]\d{9}

New

Hey my number is 1234567890 and another number is +91-1234567890. but if none of these is available you can call me on +91 5645454545 (or) mail me at abc@xyz.com

Substitution

Hey my number is 1234567890 and another number is +91-1234567890. but if none of these is available you can call me on +91 5645454545 (or) mail me at abc@xyz.com