Regular Expressions 101

^start of string

Non-Capturing Group(?:\D+)?

?repeats the group contents below at most once:

\D+any character that's not a digit, repeated at least once

Non-Capturing Group(?:(?:[5-6](?:(?:\.|\,)[1-9])?)|(?:[6-7](?:(?:\.|\,)0)?))

1st Alternative(?:[5-6](?:(?:\.|\,)[1-9])?)

Non-Capturing Group(?:[5-6](?:(?:\.|\,)[1-9])?)

Character Class[5-6]

5-6one character from 5 (53₁₀) to 6 (54₁₀)

Non-Capturing Group(?:(?:\.|\,)[1-9])?

?repeats the group contents below at most once:

Non-Capturing Group(?:\.|\,)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative\,

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[1-9]

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

2nd Alternative(?:[6-7](?:(?:\.|\,)0)?)

Non-Capturing Group(?:[6-7](?:(?:\.|\,)0)?)

Character Class[6-7]

6-7one character from 6 (54₁₀) to 7 (55₁₀)

Non-Capturing Group(?:(?:\.|\,)0)?

?repeats the group contents below at most once:

Non-Capturing Group(?:\.|\,)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative\,

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Non-Capturing Group(?:(?:\s?pol)|"|''|\x60|'|´|”)?

?repeats the group contents below at most once:

1st Alternative(?:\s?pol)

Non-Capturing Group(?:\s?pol)

\s?optionally matches any whitespace character

polthe literal text pol (case sensitive)

2nd Alternative"

"the literal " (34₁₀ / 42₈ / 22₁₆)

3rd Alternative''

''the literal text ''

4th Alternative\x60

\x60the literal ` (60₁₆ / 140₈ / 96₁₀)

5th Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

6th Alternative´

´the literal ´ (180₁₀ / 264₈ / B4₁₆)

7th Alternative”

Non-Capturing Group(?:.*)

Global pattern flags

s modifier: single line. Allows a dot to match line terminators

Ready to run

Search reference

Regular Expression

^(?:\D+)?(?:(?:[5-6](?:(?:\.|\,)[1-9])?)|(?:[6-7](?:(?:\.|\,)0)?))(?:(?:\s?pol)|"|''|\x60|'|´|”)?(?:.*)

Regular Expression

Unit Tests