regex - I have to extract a word in Perl, using a regular expression -


शब्द -D से शुरू होता है (यह -d )। शून्य या अधिक रिक्त स्थान के बाद। उसके बाद यह एक $ द्वारा पीछा किया जाता है फिर श्रृंखला {rajna_NAME} है संक्षिप्त होने के लिए 

  -d $ {ranjana_wdgf_NAME} या -D $ {Tom_task_NAME}

मैं निकालना चाहता हूं

मेरा संदेह है 

  अगर ($ शब्द = ~ m / ^ - डी (\ $) \ | (\ w * NAME) )

क्या गलत है?

कभी कभी regexes हैं

इस मामले के लिए, मैं कोशिश नहीं करूँगा।


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