a script i am working on will get a list of parameters to parse into parts. i am hoping re can do this for me but i am clueless how to make an appropriate regex. i can barely filter out .py files from a list of files.
each parameter is 3 decimal numbers each preceded with one of the characters "/" "@" or "+". the character in front identifies which number it is. for example, the number that follows "@" is the workspace number. for each parameter i need to get the 3 numbers (as 3 strings) identified with which character in front. for example i need to get the same results for "@1/2+3", "/2@1+3", "@1+3/2", "+3@1/2", "/2+3@1", and "+3/2@1". so it's more than just matching the pattern. it' associating various parts together in the right order. i think the match has to have a way to give a choice of any of the 3, each expressed with its leading character and which index it goes to, and do exactly 3 of them. but i don't know how to express this or how to be sure "@1@2/3" does not match (because "+" is missing). regex is a whole other language, harder than even lisp.
each parameter is 3 decimal numbers each preceded with one of the characters "/" "@" or "+". the character in front identifies which number it is. for example, the number that follows "@" is the workspace number. for each parameter i need to get the 3 numbers (as 3 strings) identified with which character in front. for example i need to get the same results for "@1/2+3", "/2@1+3", "@1+3/2", "+3@1/2", "/2+3@1", and "+3/2@1". so it's more than just matching the pattern. it' associating various parts together in the right order. i think the match has to have a way to give a choice of any of the 3, each expressed with its leading character and which index it goes to, and do exactly 3 of them. but i don't know how to express this or how to be sure "@1@2/3" does not match (because "+" is missing). regex is a whole other language, harder than even lisp.
Tradition is peer pressure from dead people
What do you call someone who speaks three languages? Trilingual. Two languages? Bilingual. One language? American.
What do you call someone who speaks three languages? Trilingual. Two languages? Bilingual. One language? American.
