Dynamic typing not work with exponent notation for positive number like "+1.5E-3"

[david-therincourt]

Hello,
Siglent oscilloscope instrument save data to csv file with positive number like "+1.5E-03". But dynamic typing don't convert this string in float.
But it's work fine with expression like "1.5E-03" or "-1.5E-03".

Example csv data :

Record Length,Analog:10000
Sample Interval,1.000000E-06
Vertical Units,V,
Vertical Scale,+2.000000E+00
Vertical Offset,+0.000000E+00
Horizontal Units,s
Horizontal Scale,+1.000000E-03
Model,SDS2104X Plus
Serial Number,SDS2PEED6R4679
Software Version,5.4.0.1.6.2R5
Source,CH1
Second,Value
-4.9860000000E-03,+0.000000E+00
-4.9850000000E-03,+3.333334E-02
-4.9840000000E-03,+5.000000E-02
-4.9830000000E-03,+6.666667E-02
-4.9820000000E-03,+5.000000E-02
-4.9810000000E-03,+6.666667E-02
-4.9800000000E-03,+6.666667E-02
-4.9790000000E-03,+6.666667E-02