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Finding a word in text file

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Hülya Sukas
Hülya Sukas 2019-7-19
评论： narimane misilmani 2022-12-13
Hello everyone
I have a text file and I want to find a specific keyword in this document. The document is similar with that:
A Student Number: 1516A465 Engineering Mathematics 3rd grade
B Student Number: 1818B165 Optimization Class 1st grade
Fall-Semester
Teacher: A A
G Student Number: 121A4161 Physics 1st grade
A Student Number: 4A45645B Statics 2nd grade
B Student Number: 1212A465 Calculus 2nd grade
Spring-Semester
Success level: %48
As you can see there are several properties in this document such as names,class,student numbers and some extra lines. I just need to find all of this student numbers which is shown as "Student Number:". Is there any way to do this automatically?
Thanks in advance.
Hulya.

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madhan ravi
madhan ravi 2019-7-19
s=fileread('sample.txt'); % your text file's name
W = regexp(s,'Student Number: (\w*)','tokens');
Wanted = [W{:}].'
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narimane misilmani
narimane misilmani 2022-12-13
Hello madhan,
Eigenvalues computed with ARPACK in double precision
Mode counter real part imaginary part
19 9.31012E-05 0.00000E+00
23 -1.82916E-04 0.00000E+00
7 2.60740E-04 0.00000E+00
46 6.06788E-04 0.00000E+00
50 -1.56225E-03 0.00000E+00
1 6.26122E-03 0.00000E+00
26 -6.70405E-03 0.00000E+00
54 -1.25759E-02 0.00000E+00
2 1.35514E-02 0.00000E+00
30 -2.77108E-02 0.00000E+00
27 -5.97877E-02 0.00000E+00
5 6.62709E-02 0.00000E+00
49 -8.21084E-02 0.00000E+00
44 9.16752E-02 0.00000E+00
57 -1.63043E-01 0.00000E+00
48 -2.15720E-01 0.00000E+00
29 2.88138E-01 0.00000E+00
28 3.81950E-01 0.00000E+00
59 -4.38479E-01 0.00000E+00
56 -5.39008E-01 0.00000E+00
Modal excitation coefficients
Mode counter real part imaginary part
19 1.09799E-06 0.00000E+00
23 1.60449E-05 0.00000E+00
7 -1.39962E-06 0.00000E+00
46 2.56361E-04 0.00000E+00
50 1.25975E-06 0.00000E+00
1 -1.50107E-03 0.00000E+00
26 6.66658E-04 0.00000E+00
54 6.54069E-07 0.00000E+00
2 3.81054E-07 0.00000E+00
30 -1.57020E-03 0.00000E+00
27 9.99679E-07 0.00000E+00
5 -7.84969E-05 0.00000E+00
49 6.11713E-03 0.00000E+00
44 -5.31718E-07 0.00000E+00
57 -1.77614E-06 0.00000E+00
48 -4.62110E-03 0.00000E+00
29 5.84226E-08 0.00000E+00
28 -3.09276E-03 0.00000E+00
59 7.39256E-03 0.00000E+00
56 -4.45852E-06 0.00000E+00
I have this txt file, i want to take just the nb of mode counter, is it possible to find the word " mode counter" and then take the columns of nb?
thank you

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