Regular Expressions 101

Pro

^start of line

Positive Lookahead(?=.*[a-zA-Z])

.*any character (except for line terminators), repeated any number of times

Character Class[a-zA-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Group 1(.+)

.+any character (except for line terminators), repeated at least once

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.

25 tokens

^(?=.*[a-zA-Z])(.+)

New

11111111111
aaaaaaaa1
11111111a
1111111a^
1111111^
&^^!!!(
a$$$$^&aaa
@#%#$^23532dfgdfg

11111111111
aaaaaaaa1
11111111a
1111111a^
1111111^
&^^!!!(
a$$$$^&aaa
@#%#$^23532dfgdfg