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标题: 如何让perl 之匹配特定一段的字符串 [打印本页]

作者: study_a 时间: 2018-11-26 18:56
标题: 如何让perl 之匹配特定一段的字符串
举个例子，如果我只想让perl只匹配Point 和data arrival time之间的部分。如和实现？

  Point                                                 Incr    Path
  ------------------------------------------------------------------------------
  clock osc_clk_in (rise edge)                         0.0000    0.0000
  clock network delay (propagated)                   0.9904    0.9904
  U_HASH_CORE/U_HCORE_M2/U_SHA256_CORE/U_CAL_ITER/U_HPART_TOP/P2_0__U_HPART_2/U_COMP_R2_TOP/CDN_MBIT_P2C_24__genblk1_U_COMP_data_c_reg_24__MB_P2C_24__genblk1_U_COMP_data_c_reg_25__MB_P2C_24__genblk1_U_COMP_data_c_reg_26__MB_P2C_24__genblk1_U_COMP_data_c_reg_27_/CK (DFFQ4BMLPSBC_D1_N_S8P75TSL_C68L22)
                                                      0.0000    0.9904 r
  U_HASH_CORE/U_HCORE_M2/U_SHA256_CORE/U_CAL_ITER/U_HPART_TOP/P2_0__U_HPART_2/U_COMP_R2_TOP/CDN_MBIT_P2C_24__genblk1_U_COMP_data_c_reg_24__MB_P2C_24__genblk1_U_COMP_data_c_reg_25__MB_P2C_24__genblk1_U_COMP_data_c_reg_26__MB_P2C_24__genblk1_U_COMP_data_c_reg_27_/Q3 (DFFQ4BMLPSBC_D1_N_S8P75TSL_C68L22)
                                                      0.0567 & 1.0471 f
  U_HASH_CORE/U_HCORE_M2/U_SHA256_CORE/U_CAL_ITER/U_HPART_TOP/P2_0__U_HPART_2/U_COMP_R2_TOP/FE_OFC370487_out_data_2_24__187/Y (BUFF2FSBC_D1_N_S8P75TSL_C68L20) <-
                                                      0.0481 & 1.0952 f
  U_HASH_CORE/U_HCORE_M2/U_SHA256_CORE/U_CAL_ITER/U_HPART_TOP/P2_0__U_HPART_2/U_COMP_R2_TOP/CDN_MBIT_P2C_25__genblk1_U_COMP_data_d_reg_24__MB_P2C_25__genblk1_U_COMP_data_d_reg_25__MB_P2C_25__genblk1_U_COMP_data_d_reg_26__MB_P2C_25__genblk1_U_COMP_data_d_reg_27_/D3 (DFFQ4BMLPSBC_D1_N_S8P75TL_C68L22)
                                                   -0.0075 & 1.0878 f
  data arrival time                                           1.0878

  clock osc_clk_in (rise edge)                         0.0000    0.0000
  clock network delay (propagated)                   1.1879    1.1879
  clock reconvergence pessimism                      -0.1428    1.0452
  clock uncertainty                                  0.0200    1.0652
  U_HASH_CORE/U_HCORE_M2/U_SHA256_CORE/U_CAL_ITER/U_HPART_TOP/P2_0__U_HPART_2/U_COMP_R2_TOP/CDN_MBIT_P2C_25__genblk1_U_COMP_data_d_reg_24__MB_P2C_25__genblk1_U_COMP_data_d_reg_25__MB_P2C_25__genblk1_U_COMP_data_d_reg_26__MB_P2C_25__genblk1_U_COMP_data_d_reg_27_/CK

作者: 523066680 时间: 2018-11-27 08:12

use File::Slurp;
my $s = read_file("src.txt");
if ($s=~/(Point.*data arrival time.*?\n)/s)
{
print $1;
}

复制代码

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