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Top Forums Shell Programming and Scripting sed command, look for numbers following letters Post 302508293 by LMHmedchem on Sunday 27th of March 2011 04:08:41 PM
Old 03-27-2011
sed command, look for numbers following letters

If I have a set of strings,
C21
F231
H42
1C10
1F113

and I want to isolate the ints following the char, what would the sed string be to find numbers after letters?

If I do,
[a-zA-Z]*[0-9], I will get numbers after letters, but I am looking to do something like,

sed 's/[a-zA-Z]*[0-9]/\t[a-zA-Z]*[0-9]/g'

this will give me both the letters and numbers in the new col,
Code:
C21    C21 
F231   F231
H42    H42
1C10   C10
1F113  F113

when I want just,
Code:
C21    21 
F231   231
H42    42
1C10   10
1F113  113

How do I identify numbers following letters without selecting the letters along with the numbers? I suppose I could do a second run like,

sed 's/\t[a-zA-Z]//g'

but I' not sure that would work either.

LMHmedchem

Last edited by LMHmedchem; 03-27-2011 at 05:17 PM..
 

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merge_fonts(3alleg4)						  Allegro manual					      merge_fonts(3alleg4)

NAME
merge_fonts - Merges two fonts into one font. Allegro game programming library. SYNOPSIS
#include <allegro.h> FONT *merge_fonts(FONT *f1, FONT *f2) DESCRIPTION
This function merges the character ranges from two fonts and returns a new font containing all characters in the old fonts. In general, you cannot merge fonts of different types (eg, TrueType fonts and bitmapped fonts), but as a special case, this function can promote a mono- chrome bitmapped font to a color font and merge those. Example: FONT *myfont; FONT *myfancy_font; FONT *lower_range; FONT *upper_range; FONT *capitals; FONT *combined_font; FONT *tempfont; ... /* Create a font that contains the capitals from */ /* the fancy font but other characters from myfont */ lower_range = extract_font_range(myfont, -1, 'A'-1); upper_range = extract_font_range(myfont, 'Z'+1, -1); capitals = extract_font_range(myfancy_font, 'A', 'Z'); tempfont = merge_fonts(lower_range, capitals); combined_font = merge_fonts(tempfont, upper_range); /* Clean up temporary fonts */ destroy_font(lower_range); destroy_font(upper_range); destroy_font(capitals); destroy_font(tempfont); RETURN VALUE
Returns a pointer to the new font or NULL on error. Remember that you are responsible for destroying the font when you are finished with it to avoid memory leaks. SEE ALSO
extract_font_range(3alleg4), is_trans_font(3alleg4), is_color_font(3alleg4), is_mono_font(3alleg4), exfont(3alleg4) Allegro version 4.4.2 merge_fonts(3alleg4)
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