RE: Stackoverflow error

------_=_NextPart_001_01C60BE4.BD53134A
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

[email protected] writes:
> I have to parse the following strings=20
>=20
> -DATA datavalue
> +DATA datavalue
>=20
> I am using the following regular expression
> ^{?:\+\\-)DATA\s*(.*)$
   ^
   | should be (

> This gives stack overflow if the string is more than 3.6k
>=20
> Do you have any recommendations to resolve this issue.

I think you could simplify ^(?:\+\\-) to just [-+]

But more importantly, I think you can get rid of some potential
backtracking decision points if you know there's exactly a single
whitespace character between DATA and datavalue: DATA\s(.*)$

--=20
Kevin





------_=_NextPart_001_01C60BE4.BD53134A
Content-Type: text/plain; charset=us-ascii

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
------_=_NextPart_001_01C60BE4.BD53134A--